activemq-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Paul Gale (Confluence)" <conflue...@apache.org>
Subject [CONF] Apache ActiveMQ > KahaDB
Date Tue, 27 Sep 2016 14:55:45 GMT
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0"> 
<base href="https://cwiki.apache.org/confluence"> 
<title>Message Title</title>  
<style type="text/css">@media only screen and (max-device-width: 480px) {.mobile-only {
    width: auto !important;
    height: auto !important;
    overflow: visible !important;
    line-height: normal !important;
    font-size: inherit !important;
    mso-hide: all;
}

.desktop-only {
    display: none !important;
}

/* iPhone 3GS fix for unwanted 20px right margin */
body {
    min-width: 100% !important;
    padding: 0;
    margin: 0;
}

#center-content-table {
    max-width: none;
!important;
}

#header-pattern-container {
    padding: 10px 10px 10px 10px !important;
    line-height: 20px !important;
}

#header-avatar-image-container {
    padding-right: 8px !important;
}

#email-content-container {
    padding: 0 !important;
}

.mobile-expand {
    border-radius: 0 !important;
    border-left: 0 !important;
    border-right: 0 !important;
    padding-left: 26px !important;
}

.mobile-resize-text {
    font-size: 16px !important;
    line-height: 22px !important;
}

#page-title-pattern-header {
    font-size: 20px !important;
    line-height: 28px !important;
}

#page-title-pattern-icon-image-container-cell {
    padding-top: 7px !important;
}

#inline-user-pattern {
    display: block !important;
}

#inline-user-pattern-avatar {
    padding-top: 3px !important;
}

.contextual-area-pattern {
    border-bottom: 1px solid #ccc !important;
    padding: 15px 10px 0 10px !important;
}

.users-involved-pattern-column-table {
    width: 100% !important;
}

.users-involved-pattern-avatar-table-cell {
    padding: 3px 5px 5px 0 !important;
}

.users-involved-pattern-column-container {
    padding-right: 0 !important;
}

.contextual-excerpt-pattern, #users-involved-pattern {
    border: 0 !important;
}

/** Aui Typography upsized for mobile **/
#content-excerpt-pattern-container, #contextual-excerpt-pattern-text-container {
    font-size: 16px !important;
    line-height: 22px !important;
}

#content-excerpt-pattern-container h1, #contextual-excerpt-pattern-text-container h1 {
    font-size: 24px !important;
    line-height: 28px !important;
}

#content-excerpt-pattern-container h2, #contextual-excerpt-pattern-text-container h2 {
    font-size: 20px !important;
    line-height: 28px !important;
}

#content-excerpt-pattern-container h3, #contextual-excerpt-pattern-text-container h3 {
    font-size: 18px !important;
    line-height: 24px !important;
}

#content-excerpt-pattern-container h4, #contextual-excerpt-pattern-text-container h4 {
    font-size: 16px !important;
    line-height: 22px !important;
}

#content-excerpt-pattern-container h5, #contextual-excerpt-pattern-text-container h5 {
    font-size: 14px !important;
    line-height: 20px !important;
}

#content-excerpt-pattern-container h6, #contextual-excerpt-pattern-text-container h6 {
    font-size: 14px !important;
    line-height: 20px !important;
}

.user-mention {
    line-height: 18px !important;
}

/** Aui Typography end **/

/* Show appropriate footer logo on mobile, display links vertically */
#footer-pattern {
    padding: 15px 10px !important;
}

#footer-pattern-logo-desktop-container {
    padding: 0 !important;
}

#footer-pattern-logo-desktop {
    width: 0 !important;
    height: 0 !important;
}

#footer-pattern-logo-mobile {
    padding-top: 10px !important;
    width: 30px !important;
    height: 27px !important;
    display: inline !important;
}

#footer-pattern-text {
    display: block !important;
}

#footer-pattern-links-container {
    line-height: 0 !important;
}

.footer-pattern-links.mobile-resize-text,
.footer-pattern-links.mobile-resize-text,
#footer-pattern-text.mobile-resize-text,
#footer-pattern-links-container.no-footer-links {
    font-size: 14px !important;
    line-height: 20px !important;
}

.footer-link {
    display: block !important;
}

#footer-pattern-links-container table {
    display: inline-block !important;
    float: none !important;
}

#footer-pattern-links-container, #footer-pattern-text {
    text-align: center !important;
}

#footer-pattern-links {
    padding-bottom: 5px !important;
}

/** Team Calendar overrides, these should be removed when notifications are updated in Team Calendars. For now CSS
    overrides are being used because the structure of the content can't change without rereleasing the plugin */
.mail-calendar-container .day-header + table tr td:first-child {
    vertical-align: top !important;
    padding-top: 5px !important;
}}
@media (min-width: 900px) {#center-content-table { width: 900px; }}
@media all {#outlook a {
    padding: 0;
}

/* Force Outlook to provide a "view in browser" menu link. */
/* Prevent Webkit and Windows Mobile platforms from changing default font sizes.*/
body {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

.ExternalClass {
    width: 100%;
}

/* Force Hotmail to display emails at full width */
#background-table {
    margin: 0;
    padding: 0;
    width: 100% !important;
}

/* Needed to override highlighting on date and time links in iOS */
.grey a {
    color: #707070;
    text-decoration: none;
}/* These styles are appended to the head element of a notification in order to prevent Apple Mail and similar
   clients from underlining the due dates with a blue hyperlink */
/* a lozenge outside an inline task should always be #333, lozenges inside an inline task should be
   colored according to their upcoming due dates, a completed task date lozenge or deleted task date
   lozenge should always be #707070 */
.date-time-lozenge a {color: #333333; text-decoration: none; }
.inline-task-text-container .date-time-lozenge.date-upcoming a {color: #DF6F00; text-decoration: none; }
.inline-task-text-container .date-time-lozenge.date-past a {color: #D04437; text-decoration: none; }
.inline-task-text-container.content-deleted-color .date-time-lozenge a,
.inline-task-text-container.checked .date-time-lozenge a {
    color: #707070; text-decoration: none;
}}
</style> 
</head>
<body>
<table id="background-table" cellpadding="0" cellspacing="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; background-color: #f5f5f5"> 
<tbody> 
<tr> 
<td id="header-pattern-container" style="padding: 0px; border-collapse: collapse; padding: 10px 20px"> 
<table id="header-pattern" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333"> 
<tbody> 
<tr> 
<td id="header-avatar-image-container" valign="top" style="padding: 0px; border-collapse: collapse; vertical-align: top; width: 32px; padding-right: 9px"><a href="https://cwiki.apache.org/confluence/display/~paulgale?src=mail&amp;src.mail.timestamp=1474988145313&amp;src.mail.notification=com.atlassian.confluence.plugins.confluence-content-notifications-plugin%3Apage-edited-notification&amp;src.mail.recipient=8aa980874e36a1eb014e36a2a6263ca9" style="color: #3b73af; text-decoration: none"><img id="header-avatar-image" class="image_fix" src="cid:avatar_55f1f821eca17742a7f7bb51a11fe95e" height="32" width="32" border="0" style="border-radius: 3px; vertical-align: top"></a></td>
<td id="header-text-container" valign="middle" style="padding: 0px; border-collapse: collapse; vertical-align: middle; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px">Paul Gale <strong>edited</strong> a page</td> 
</tr> 
</tbody> 
</table> </td> 
</tr> 
<!-- End Header pattern --> 
<tr> 
<td id="email-content-container" style="padding: 0px; border-collapse: collapse; padding: 0 20px"> 
<table id="email-content-table" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; border-spacing: 0; border-collapse: separate"> 
<tbody> 
<tr> 
<td class="email-content-rounded-top mobile-expand" style="padding: 0px; border-collapse: collapse; color: #fff; padding: 0 15px 0 16px; height: 15px; background-color: #fff; border-left: 1px solid #ccc; border-top: 1px solid #ccc; border-right: 1px solid #ccc; border-bottom: 0; border-top-right-radius: 5px; border-top-left-radius: 5px">&nbsp;</td> 
</tr> 
<tr> 
<td class="email-content-main mobile-expand" style="padding: 0px; border-collapse: collapse; border-left: 1px solid #ccc; border-right: 1px solid #ccc; border-top: 0; border-bottom: 0; padding: 0 15px 15px 16px; background-color: #fff"> 
<table id="page-title-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333"> 
<tbody> 
<tr> 
<td id="page-title-pattern-icon-image-container" valign="top" style="padding: 0px; border-collapse: collapse; width: 16px; vertical-align: top"> 
<table cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333"> 
<tbody> 
<tr> 
<td id="page-title-pattern-icon-image-container-cell" style="padding: 0px; border-collapse: collapse; width: 16px; padding: 9px 8px 0px 0px; mso-text-raise: 5px; mso-line-height-rule: exactly"><a href="https://cwiki.apache.org/confluence/display/ACTIVEMQ/KahaDB?src=mail&amp;src.mail.timestamp=1474988145313&amp;src.mail.notification=com.atlassian.confluence.plugins.confluence-content-notifications-plugin%3Apage-edited-notification&amp;src.mail.recipient=8aa980874e36a1eb014e36a2a6263ca9&amp;src.mail.action=view" title="page icon" style="vertical-align: top;; color: #3b73af; text-decoration: none"><img style="vertical-align: top; display: block;" src="cid:page-icon" alt="page icon" title="page icon" height="16" width="16" border="0"></a></td> 
</tr> 
</tbody> 
</table> </td>
<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" id="page-title-pattern-header-container"><span id="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"><a href="https://cwiki.apache.org/confluence/display/ACTIVEMQ/KahaDB?src=mail&amp;src.mail.timestamp=1474988145313&amp;src.mail.notification=com.atlassian.confluence.plugins.confluence-content-notifications-plugin%3Apage-edited-notification&amp;src.mail.recipient=8aa980874e36a1eb014e36a2a6263ca9&amp;src.mail.action=view" title="KahaDB" style="color: #3b73af; text-decoration: none">KahaDB</a></span></td> 
</tr> 
</tbody> 
</table> </td> 
</tr> 
<tr> 
<td class="email-content-main mobile-expand" style="padding: 0px; border-collapse: collapse; border-left: 1px solid #ccc; border-right: 1px solid #ccc; border-top: 0; border-bottom: 0; padding: 0 15px 15px 16px; background-color: #fff"> 
<table class="content-excerpt-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px"> 
<tbody> 
<tr> 
<td class="content-excerpt-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 0 24px"> <p class="diff-context-placeholder" style="margin: 10px 0 0 0; margin-top: 0">...</p> <p class="diff-block-context" style="margin: 10px 0 0 0">You can configure ActiveMQ to use KahaDB for its persistence adapter - like below:</p> 
<table class="diff-macro diff-block-target" style="background-color: #f0f0f0;border: 1px solid #dddddd;margin: 10px 1px;padding: 0 2px 2px;width: 100%;; border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333"> 
<thead> 
<tr> 
<th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/plugins/servlet/confluence/placeholder/macro-icon?name=code" style="padding-right: 5px; vertical-align: text-bottom;"> </span>Code Block</th> 
</tr> 
</thead> 
<tbody> 
<tr> 
<td class="diff-macro-properties" style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;padding: 0; border: 1px solid #dddddd;; padding: 0px; border-collapse: collapse"> 
<table style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333"> 
<tbody> 
<tr> 
<td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; padding: 0px; border-collapse: collapse"><span class="diff-html-added" id="added-diff-0" style="font-size: 100%; background-color: #ddfade;">language</span></td> 
<td style="background-color: #fafafa; padding: 0 0 0 5px; font-size: 12px; text-align: left;; padding: 0px; border-collapse: collapse"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">xml</span></td> 
</tr> 
</tbody> 
</table> </td> 
</tr> 
</tbody> 
<tbody> 
<tr> 
<td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; padding: 0px; border-collapse: collapse"> <pre style="margin: 10px 0 0 0; margin-top: 0"> 
 &lt;broker brokerName="broker" ... &gt;
    &lt;persistenceAdapter&gt;
      &lt;kahaDB directory="activemq-data" journalMaxFileLength="32mb"/&gt;
    &lt;/persistenceAdapter&gt;
    ...
 &lt;/broker&gt;

</pre> </td> 
</tr> 
</tbody> 
</table> <p class="diff-context-placeholder" style="margin: 10px 0 0 0; margin-top: 0">...</p> 
<div class="table-wrap diff-block-target diff-block-context" style="margin: 10px 0 0 0; overflow-x: auto"> 
<span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">(as of 5</span> 
<span class="diff-html-removed" id="removed-diff-6" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">12.0) This setting configures how the broker will try to preallocate the journal files when a new journal file is needed. The default allocation strategy sets the file length, but does not populate it with any data. The 'os_kernel_copy' strategy delegates the preallocation to the Operating System. The 'zeros' strategy configures ActiveMQ to do the preallocation by writing 0x00 to all of the positions in the journal file.</span> 
<span class="diff-html-removed" id="removed-diff-7" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">(as of </span> 
<span class="diff-html-removed" id="removed-diff-8" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">) This </span> 
<span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span> 
<span class="diff-html-removed" id="removed-diff-9" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">the broker will preallocate the </span> 
<span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span> 
<span class="diff-html-removed" id="removed-diff-10" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">in </span> 
<span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span> 
<span><span class="diff-html-removed" id="removed-diff-11" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">'</span></span> 
<span class="diff-html-removed" id="removed-diff-12" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">' </span> 
<span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span> 
<span class="diff-html-removed" id="removed-diff-13" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">'</span> 
<span class="diff-html-removed" id="removed-diff-14" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">' </span> 
<span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span> 
<span class="diff-html-removed" id="removed-diff-15" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">using '</span> 
<span class="diff-html-removed" id="removed-diff-16" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">' </span> 
<span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> </span> 
<span class="diff-html-removed" id="removed-diff-17" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">note</span> 
<span class="diff-html-removed" id="removed-diff-18" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">, stick with </span> 
<table class="confluenceTable" style="border-collapse: collapse; border: 1px solid #ddd;; border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; border-collapse: collapse; margin: 10px 0 0 0; overflow-x: auto"> 
<tbody> 
<tr> 
<th class="confluenceTh" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;background-color: #F0F0F0; font-weight: bold;; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left; background-color: #f0f0f0; font-weight: bold"> <p style="margin: 10px 0 0 0; margin-top: 0; background-color: #f0f0f0; font-weight: bold">property name</p> </th> 
<th class="confluenceTh" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;background-color: #F0F0F0; font-weight: bold;; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left; background-color: #f0f0f0; font-weight: bold"> <p style="margin: 10px 0 0 0; margin-top: 0; background-color: #f0f0f0; font-weight: bold">default value</p> </th> 
<th class="confluenceTh" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;background-color: #F0F0F0; font-weight: bold;; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left; background-color: #f0f0f0; font-weight: bold"> <p style="margin: 10px 0 0 0; margin-top: 0; background-color: #f0f0f0; font-weight: bold">Comments</p> </th> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" id="removed-diff-0" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">directory</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">activemq-data</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">the path to the directory to use to store the message store data and log files</span> </p> </td> 
</tr> 
<tr> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">indexDirectory</span> </p> </td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">&nbsp;</span></td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">If set, configures where the KahaDB index files (db.data and db.redo) will be stored. If not set, the index files are stored in the directory specified by the 'directory' attribute. </span></span> </p> 
<table class="diff-macro diff-html-removed" style="background-color: #f0f0f0;border: 1px solid #dddddd;margin: 10px 1px;padding: 0 2px 2px;width: 100%;background-color: #ffe7e7;border-color: #df9898;; border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333"> 
<thead> 
<tr> 
<th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;"><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/macrobrowser/dropdown/note.png" style="padding-right: 5px; vertical-align: text-bottom;; max-width: none"> </span>Note</span></th> 
</tr> 
</thead> 
<tbody> 
<tr> 
<td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; padding: 0px; border-collapse: collapse"><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Available as of ActiveMQ 5.10</span></td> 
</tr> 
</tbody> 
</table> </td> 
</tr> 
<tr> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">storeOpenWireVersion</span> </p> </td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">11</span> </p> </td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Determines the version of OpenWire commands that are marshalled to the KahaDB journal.&nbsp; In versions prior to 5.12.0 this value defaulted to v6.&nbsp; Some features of the broker depend on information stored in the OpenWire commands from newer protocol revisions and these may not work correctly if the store version is set to a lower value.&nbsp; KahaDB stores from broker versions greater than 5.9.0 will in many cases still be readable by the broker but will cause the broker to continue using the older store version meaning newer features may not work as intended.&nbsp; For KahaDB stores that were created in versions prior to v5.9.0 it will be necessary to manually set the store version to v6 in order to start a broker without error.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">indexWriteBatchSize</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">1000</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">number of indexes written in a batch</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">indexCacheSize</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">10000</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">number of index pages cached in memory</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">enableIndexWriteAsync</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">false</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">if set, will asynchronously write indexes</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">journalMaxFileLength</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">32mb</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">a hint to set the maximum size of the message data logs</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">enableJournalDiskSyncs</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">true</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">ensure </span><code style="font-family: monospace"><span class="diff-html-added" id="added-diff-1" style="font-size: 100%; background-color: #ddfade;">archiveCorruptedIndex</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">false</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">If enabled, corrupted indexes found at startup will be archived (not deleted).</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">archiveDataLogs</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">false</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">If enabled, will move a message data log to the archive directory instead of deleting it.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">checkForCorruptJournalFiles</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">false</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">If enabled, will check for corrupted Journal files on startup and try and recover them.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">checkpointInterval</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">5000</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Time (ms) before check-pointing the journal.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">checksumJournalFiles</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">true</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Create a checksum for a journal file - to enable checking for corrupted journals.</span> </p> <p style="margin: 10px 0 0 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Before </span><strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">ActiveMQ 5.9.0</span></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">: the default is </span><strong><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">false</span></code></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">cleanupInterval</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">30000</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Time (ms) before checking for a discarding/moving message data logs that are no longer used.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">compactAcksAfterNoGC</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">10</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">From </span><strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">ActiveMQ 5.14.0</span></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">: when the acknowledgement compaction feature is enabled this value controls how many store GC cycles must be completed with no other files being cleaned up before the compaction logic is triggered to possibly compact older acknowledgements spread across journal files into a new log file.&nbsp; The lower the value set the faster the compaction may occur which can impact performance if it runs to often.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">compactAcksIgnoresStoreGrowth</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">false</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">From </span><strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">ActiveMQ 5.14.0</span></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">:&nbsp;when the acknowledgement compaction feature is enabled this value controls whether compaction is run when the store is still growing or if it should only occur when the store has stopped growing (either due to idle or store limits reached).&nbsp; If enabled the compaction runs regardless of the store still having room or being active which can decrease overall performance but reclaim space faster.&nbsp;</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">concurrentStoreAndDispatchQueues</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">true</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Enable the dispatching of Queue messages to interested clients to happen concurrently with message storage.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">concurrentStoreAndDispatchTopics</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">false</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Enable the dispatching of Topic messages to interested clients to happen concurrently with message storage</span> </p> 
<table class="diff-macro diff-html-added" style="background-color: #f0f0f0;border: 1px solid #dddddd;margin: 10px 1px;padding: 0 2px 2px;width: 100%;background-color: #ddfade;border-color: #93c49f;; border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333"> 
<thead> 
<tr> 
<th class="diff-macro-title" style="background-color: transparent; text-align: left; font-weight: normal;padding: 5px;"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"><span class="icon macro-placeholder-icon" style="background-color: ;line-height: 20px;"><img src="https://cwiki.apache.org/confluence/s/en_GB/5982/f2b47fb3d636c8bc9fd0b11c0ec6d0ae18646be7.1/_/images/icons/macrobrowser/dropdown/warning.png" style="padding-right: 5px; vertical-align: text-bottom;; max-width: none"> </span>Warning</span></th> 
</tr> 
</thead> 
<tbody> 
<tr> 
<td class="diff-macro-body" style="background-color: #fff;border: 1px solid #dddddd;padding: 10px;; padding: 0px; border-collapse: collapse"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Enabling this property is not recommended.</span></td> 
</tr> 
</tbody> 
</table> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">directory</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">activemq-data</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">The path to the directory to use to store the message store data and log files.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">directoryArchive</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">null</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Define the directory to move data logs to when they all the messages they contain have been consumed.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">enableAckCompaction</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">true</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">From </span><strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">ActiveMQ 5.14.0</span></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">: this setting controls whether the store will perform periodic compaction of older journal log files that contain only Message acknowledgements.&nbsp; By compacting these older acknowledgements into new journal log files the older files can be removed freeing space and allowing the message store to continue to operate without hitting store size limits.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">enableIndexWriteAsync</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">false</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">If set, will asynchronously write indexes.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">enableJournalDiskSyncs</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">true</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Ensure </span>every journal write is followed by a disk sync (JMS durability requirement)</p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">cleanupInterval</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">30000</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">time (ms) before checking for a discarding/moving message data logs that are no longer used</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">checkpointInterval</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">5000</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">time (ms) before checkpointing the journal</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" id="added-diff-2" style="font-size: 100%; background-color: #ddfade;">.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-changed" id="changed-diff-0" style="background-color: #d6f0ff;">ignoreMissingJournalfiles</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-changed" id="changed-diff-1" style="background-color: #d6f0ff;">false</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0">If enabled, will ignore a missing message log file<span class="diff-html-added" id="added-diff-3" style="font-size: 100%; background-color: #ddfade;">.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" id="removed-diff-2" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">checkForCorruptJournalFiles</span><code style="font-family: monospace"><span class="diff-html-added" id="added-diff-4" style="font-size: 100%; background-color: #ddfade;">indexCacheSize</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" id="removed-diff-3" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">false</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">If enabled, will check for corrupted Journal files on startup and try and recover them</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">checksumJournalFiles</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span style="text-decoration: line-through;"><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">false</span></span><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;"> true </span><sub><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">v5.9</span></sub> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">create a checksum for a journal file - to enable checking for corrupted journals</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">archiveDataLogs</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">false</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">If enabled, will move a message data log to the archive directory instead of deleting it.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">directoryArchive</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">null</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Define the directory to move data logs to when they all the messages they contain have been consumed</span><code style="font-family: monospace"><span class="diff-html-added" id="added-diff-5" style="font-size: 100%; background-color: #ddfade;">10000</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Number of index pages cached in memory.</span> </p> </td> 
</tr> 
<tr> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">indexDirectory</span></code> </p> </td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">&nbsp;</span></td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">From </span><strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">ActiveMQ 5.10.0</span></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">: If set, configures where the KahaDB index files (</span><strong><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">db.data</span></code></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> and&nbsp;</span><strong><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">db.redo</span></code></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">) will be stored. If not set, the index files are stored in the directory specified by the&nbsp;</span><strong><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">directory</span></code></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> attribute.</span></span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">indexWriteBatchSize</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">1000</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Number of indexes written in a batch.</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">journalMaxFileLength</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">32mb</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">A hint to set the maximum size of the message data logs</span>.</p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-changed" id="changed-diff-2" style="background-color: #d6f0ff;">maxAsyncJobs</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-changed" id="changed-diff-3" style="background-color: #d6f0ff;">10000</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" id="removed-diff-4" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">the </span><span class="diff-html-added" id="added-diff-6" style="font-size: 100%; background-color: #ddfade;">The </span>maximum number of asynchronous messages that will be queued awaiting storage (should be the same as the number of concurrent MessageProducers)</p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">concurrentStoreAndDispatchTopics</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">false</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">enable the dispatching of Topic messages to interested clients to happen concurrently with message storage (</span><strong><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">Warning</span></strong><span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">: Enabling this property is not recommended)</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">concurrentStoreAndDispatchQueues</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">true</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">enable the dispatching of Queue messages to interested clients to happen concurrently with message storage</span> </p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">archiveCorruptedIndex</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">false</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">If enabled, corrupted indexes found at startup will be archived (not deleted)</span> </p> </td> 
</tr> 
<tr> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">preallocationStrategy</span> </p> </td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">sparse_file</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-changed" id="changed-diff-4" style="background-color: #d6f0ff;">.</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"></p> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-changed" id="changed-diff-6" style="background-color: #d6f0ff;">preallocationScope</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"><code style="font-family: monospace"><span class="diff-html-changed" id="changed-diff-8" style="background-color: #d6f0ff;">entire_journal</span></code></td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" id="added-diff-7" style="font-size: 100%; background-color: #ddfade;">From </span><strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">ActiveMQ </span><span class="diff-html-changed" id="changed-diff-10" style="background-color: #d6f0ff;">5.14.0</span></strong> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" id="added-diff-8" style="font-size: 100%; background-color: #ddfade;">: this </span><span class="diff-html-changed" id="changed-diff-11" style="background-color: #d6f0ff;">setting configures how </span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-changed" style="background-color: #d6f0ff;"> </span><span class="diff-html-changed" id="changed-diff-12" style="background-color: #d6f0ff;">journal data files </span><span class="diff-html-added" id="added-diff-9" style="font-size: 100%; background-color: #ddfade;">are preallocated</span><span class="diff-html-changed" id="changed-diff-13" style="background-color: #d6f0ff;">. The default </span><span class="diff-html-added" id="added-diff-10" style="font-size: 100%; background-color: #ddfade;">strategy </span><span class="diff-html-changed" id="changed-diff-14" style="background-color: #d6f0ff;">preallocates </span><span class="diff-html-added" id="added-diff-11" style="font-size: 100%; background-color: #ddfade;">the journal file </span><span class="diff-html-changed" id="changed-diff-15" style="background-color: #d6f0ff;">on first use </span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" id="added-diff-12" style="font-size: 100%; background-color: #ddfade;">using </span><span class="diff-html-changed" id="changed-diff-16" style="background-color: #d6f0ff;">the appender thread.</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" id="added-diff-13" style="font-size: 100%; background-color: #ddfade;">&nbsp;</span> </p> 
<ul style="margin: 10px 0 0 0; margin-left: 0; padding-left: 22px"> 
<li> <strong><code style="font-family: monospace"><span class="diff-html-changed" id="changed-diff-17" style="background-color: #d6f0ff;">entire_journal_async</span></code></strong> </li> 
</ul> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> 
<ul style="margin: 10px 0 0 0; margin-top: 0; margin-left: 0; padding-left: 22px"> 
<li> <span class="diff-html-changed" style="background-color: #d6f0ff;"> </span><span class="diff-html-changed" id="changed-diff-18" style="background-color: #d6f0ff;">will use preallocate ahead of time </span><span class="diff-html-changed" id="changed-diff-19" style="background-color: #d6f0ff;">in a separate thread.</span> </li> 
</ul> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> 
<ul style="margin: 10px 0 0 0; margin-top: 0; margin-left: 0; padding-left: 22px"> 
<li></li> 
<li> <strong><code style="font-family: monospace"><span class="diff-html-changed" id="changed-diff-20" style="background-color: #d6f0ff;">none</span></code></strong> </li> 
</ul> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> 
<ul style="margin: 10px 0 0 0; margin-top: 0; margin-left: 0; padding-left: 22px"> 
<li> <span class="diff-html-changed" style="background-color: #d6f0ff;"> </span><span class="diff-html-changed" id="changed-diff-21" style="background-color: #d6f0ff;">disables preallocation.</span> </li> 
</ul> <p style="margin: 10px 0 0 0"> <span class="diff-html-changed" id="changed-diff-22" style="background-color: #d6f0ff;">On SSD, </span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" id="added-diff-16" style="font-size: 100%; background-color: #ddfade;">using&nbsp;</span><strong><code style="font-family: monospace"><span class="diff-html-changed" id="changed-diff-23" style="background-color: #d6f0ff;">entire_journal_async</span></code></strong> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-changed" style="background-color: #d6f0ff;"> </span><span class="diff-html-changed" id="changed-diff-24" style="background-color: #d6f0ff;">avoids delaying writes pending preallocation on first use.</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"></p> <p style="margin: 10px 0 0 0"> <strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Note</span></strong><span class="diff-html-changed" id="changed-diff-25" style="background-color: #d6f0ff;">: on HDD the additional thread contention for disk has a negative impact</span> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" id="added-diff-18" style="font-size: 100%; background-color: #ddfade;">. Therefore use </span><span class="diff-html-changed" id="changed-diff-26" style="background-color: #d6f0ff;">the default.</span> </p> </td> 
</tr> 
<tr> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" id="removed-diff-19" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">enableAckCompaction</span><code style="font-family: monospace"><span class="diff-html-added" id="added-diff-19" style="font-size: 100%; background-color: #ddfade;">preallocationStrategy</span></code> </p> </td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" id="removed-diff-20" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">true</span> </p> </td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">(as of </span><code style="font-family: monospace"><span class="diff-html-added" id="added-diff-20" style="font-size: 100%; background-color: #ddfade;">sparse_file</span></code> </p> </td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">From </span><strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">ActiveMQ </span><span class="diff-html-changed" id="changed-diff-28" style="background-color: #d6f0ff;">5.</span></strong><span class="diff-html-removed" id="removed-diff-21" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">14</span><strong><span class="diff-html-added" id="added-diff-21" style="font-size: 100%; background-color: #ddfade;">12</span><span class="diff-html-changed" id="changed-diff-29" style="background-color: #d6f0ff;">.0</span></strong><span class="diff-html-removed" id="removed-diff-22" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">) This setting controls whether the store will perform periodic compaction of older journal log files that contain only Message acknowledgements.&nbsp; By compacting these older acknowledgements into new journal log files the older files can be removed freeing space and allowing the message store to continue to operate without hitting store size limits.</span> </p> </td> 
</tr> 
<tr> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">compactAcksAfterNoGC</span> </p> </td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">10</span> </p> </td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">(as of 5.14.0) when the acknowledgement compaction feature is enabled this value controls how many store GC cycles must be completed with no other files being cleaned up before the compaction logic is triggered to possibly compact older acknowledgements spread across journal files into a new log file.&nbsp; The lower the value set the faster the compaction may occur which can impact performance if it runs to often.</span> </p> </td> 
</tr> 
<tr> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">compactAcksIgnoresStoreGrowth</span> </p> </td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">false</span> </p> </td> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-removed" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">(as of 5.14.0) when the acknowledgement compaction feature is enabled this value controls whether compaction is run when the store is still growing or if it should only occur when the store has stopped growing (either due to idle or store limits reached).&nbsp; If enabled the compaction runs regardless of the store still having room or being active which can decrease overall performance but reclaim space faster.&nbsp;</span> </p> </td> 
</tr> 
</tbody> 
</table> 
</div> <p class="diff-context-placeholder" style="margin: 10px 0 0 0; margin-top: 0">...</p> 
<div class="table-wrap diff-block-target diff-block-context" style="margin: 10px 0 0 0; overflow-x: auto"> 
<table class="confluenceTable" style="border-collapse: collapse; border: 1px solid #ddd;; border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; border-collapse: collapse; margin: 10px 0 0 0; overflow-x: auto; margin-top: 0"> 
<tbody> 
<tr> 
<td colspan="1" class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" id="added-diff-22" style="font-size: 100%; background-color: #ddfade;">:&nbsp;This setting configures how the broker will try to preallocate the journal files when a new journal file is needed.</span> </p> 
<ul style="margin: 10px 0 0 0; margin-left: 0; padding-left: 22px"> 
<li> <strong><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">sparse_file</span></code></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> - sets the file length, but does not populate it with any data.</span> </li> 
<li> <strong><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">os_kernel_copy</span></code></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> - delegates the preallocation to the Operating System.</span> </li> 
<li> <strong><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">zeros</span></code></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">&nbsp; - configures ActiveMQ to do the preallocation by writing&nbsp;</span><strong><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">0x00</span></code></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> to all of the positions in the journal file.</span> </li> 
</ul> </td> 
</tr> 
<tr> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">storeOpenWireVersion</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">11</span></code> </p> </td> 
<td class="confluenceTd" style="border: 1px solid #DDD; padding: 5px 7px; min-width: 0.6em; text-align: left; vertical-align: top;; padding: 0px; border-collapse: collapse; border: 1px solid #ddd; padding: 7px 10px; vertical-align: top; text-align: left"> <p style="margin: 10px 0 0 0; margin-top: 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Determines the version of OpenWire commands that are marshaled to the KahaDB journal.&nbsp;</span> </p> <p style="margin: 10px 0 0 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Before </span><strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">ActiveMQ 5.12.0</span></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">: the default value is </span><strong><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">6</span></code></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">.</span> </p> <p style="margin: 10px 0 0 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">Some features of the broker depend on information stored in the OpenWire commands from newer protocol revisions and these may not work correctly if the store version is set to a lower value.&nbsp; KahaDB stores from broker versions greater than 5.9.0 will in many cases still be readable by the broker but will cause the broker to continue using the older store version meaning newer features may not work as intended.&nbsp;</span> </p> <p style="margin: 10px 0 0 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">For KahaDB stores that were created in versions prior to </span><strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">ActiveMQ 5.9.0</span></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> it will be necessary to manually set </span><strong><code style="font-family: monospace"><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">storeOpenWireVersion="6"</span></code></strong><span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;"> in order to start a broker without error.</span> </p> </td> 
</tr> 
</tbody> 
</table> 
</div> <p class="diff-block-target diff-block-context" style="margin: 10px 0 0 0"> <span class="diff-html-added" style="font-size: 100%; background-color: #ddfade;">For </span>tuning locking properties please take a look at <a href="/confluence/pages/viewpage.action?pageId=30150882" style="color: #3b73af; text-decoration: none">Pluggable storage lockers</a> </p> <p class="diff-context-placeholder" style="margin: 10px 0 0 0; margin-top: 0">...</p> <p class="diff-block-target" style="margin: 10px 0 0 0">You can configure a non zero threshold in <span class="diff-html-removed" id="removed-diff-23" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">mili seconds </span><span class="diff-html-added" id="added-diff-23" style="font-size: 100%; background-color: #ddfade;">milliseconds </span>for database updates. <br> If database operation is slower than that threshold (for example if you set it to 500), you may see messages like</p> <p class="diff-context-placeholder" style="margin: 10px 0 0 0; margin-top: 0">...</p> <p class="diff-block-target" style="margin: 10px 0 0 0">From 5.6, it is possible to distribute destinations stores across multiple kahdb persistence adapters. When would you do this? If you have one fast producer/consumer destination and another periodic producer destination that has irregular batch consumption, you disk usage can grow out of hand because unconsumed messages get dotted across journal files. Having a separate journal for each ensures minimal journal usage. Also, some destination may be critical and require disk <span class="diff-html-removed" id="removed-diff-25" style="font-size: 100%; background-color: #ffe7e7; text-decoration: line-through;">synchronisation </span><span class="diff-html-added" id="added-diff-24" style="font-size: 100%; background-color: #ddfade;">synchronization </span>while others may not. <br> In these cases you can use the mKahaDB persistence adapter and filter destinations using wildcards, just like with destination policy entries.</p> <p class="diff-context-placeholder" style="margin: 10px 0 0 0; margin-top: 0">...</p> <p class="diff-block-target" style="margin: 10px 0 0 0">Each instance of kahaDB can be configured independently. If no destination is supplied to a <strong><code style="font-family: monospace"><span class="diff-html-changed" id="changed-diff-30" style="background-color: #d6f0ff;">filteredKahaDB</span></code><span class="diff-html-changed" style="background-color: #d6f0ff;">, the implicit default value will match any destination, queue or topic. This is a handy catch all. If no matching persistence adapter can be found, destination creation will fail with an exception. The </span></strong><code style="font-family: monospace">filteredKahaDB</code> shares its wildcard matching rules with <a href="/confluence/pages/viewpage.action?pageId=35854" style="color: #3b73af; text-decoration: none">Per Destination Policies</a>.</p> <p class="diff-context-placeholder" style="margin: 10px 0 0 0; margin-top: 0">...</p> </td> 
</tr> 
</tbody> 
</table> </td> 
</tr> 
<tr> 
<td class="email-content-main mobile-expand action-padding last-row-padding" style="padding: 0px; border-collapse: collapse; border-left: 1px solid #ccc; border-right: 1px solid #ccc; border-top: 0; border-bottom: 0; padding: 0 15px 15px 16px; background-color: #fff; padding-bottom: 10px; padding-bottom: 10px"> 
<table id="actions-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px"> 
<tbody> 
<tr> 
<td id="actions-pattern-container" valign="middle" style="padding: 0px; border-collapse: collapse; padding: 15px 0 0 24px; vertical-align: middle"> 
<table align="left" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333"> 
<tbody> 
<tr> 
<td class="actions-pattern-action-icon-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 0px; vertical-align: middle"><a href="https://cwiki.apache.org/confluence/display/ACTIVEMQ/KahaDB?src=mail&amp;src.mail.timestamp=1474988145313&amp;src.mail.notification=com.atlassian.confluence.plugins.confluence-content-notifications-plugin%3Apage-edited-notification&amp;src.mail.recipient=8aa980874e36a1eb014e36a2a6263ca9&amp;src.mail.action=view" title="View page Icon" style="color: #3b73af; text-decoration: none"><img class="actions-pattern-action-icon-image" height="16" width="16" border="0" title="View page Icon" src="cid:com.atlassian.confluence.plugins.confluence-email-resources%3Aview-page-email-adg-footer-item%3Aicon" alt="View page Icon" style="vertical-align: middle"></a></td>
<td class="actions-pattern-action-text-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 4px; padding-left: 5px; white-space: nowrap"><a href="https://cwiki.apache.org/confluence/display/ACTIVEMQ/KahaDB?src=mail&amp;src.mail.timestamp=1474988145313&amp;src.mail.notification=com.atlassian.confluence.plugins.confluence-content-notifications-plugin%3Apage-edited-notification&amp;src.mail.recipient=8aa980874e36a1eb014e36a2a6263ca9&amp;src.mail.action=view" title="View page" style="color: #3b73af; text-decoration: none">View page</a></td>
<td class="actions-pattern-action-bull" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 4px; color: #999; padding: 0 5px">•</td> 
</tr> 
</tbody> 
</table> 
<table style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333"> 
<tbody> 
<tr> 
<td class="actions-pattern-action-icon-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 0px; vertical-align: middle"><a href="https://cwiki.apache.org/confluence/plugins/likes/like.action?contentId=120465&amp;src=mail&amp;src.mail.timestamp=1474988145313&amp;src.mail.notification=com.atlassian.confluence.plugins.confluence-content-notifications-plugin%3Apage-edited-notification&amp;src.mail.recipient=8aa980874e36a1eb014e36a2a6263ca9&amp;src.mail.action=like" title="Like Icon" style="color: #3b73af; text-decoration: none"><img class="actions-pattern-action-icon-image" height="16" width="16" border="0" title="Like Icon" src="cid:com.atlassian.confluence.plugins.confluence-like%3Aview-email-adg-content-item%3Aicon" alt="Like Icon" style="vertical-align: middle"></a></td>
<td class="actions-pattern-action-text-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 4px; padding-left: 5px; white-space: nowrap"><a href="https://cwiki.apache.org/confluence/plugins/likes/like.action?contentId=120465&amp;src=mail&amp;src.mail.timestamp=1474988145313&amp;src.mail.notification=com.atlassian.confluence.plugins.confluence-content-notifications-plugin%3Apage-edited-notification&amp;src.mail.recipient=8aa980874e36a1eb014e36a2a6263ca9&amp;src.mail.action=like" title="Like" style="color: #3b73af; text-decoration: none">Like</a></td> 
</tr> 
</tbody> 
</table> </td> 
</tr> 
</tbody> 
</table> </td> 
</tr> 
<tr> 
<td class="email-content-rounded-bottom mobile-expand" style="padding: 0px; border-collapse: collapse; color: #fff; height: 5px; line-height: 5px; padding: 0 15px 0 16px; background-color: #fff; border-bottom-right-radius: 5px; border-bottom-left-radius: 5px; border-top: 0; border-left: 1px solid #ccc; border-bottom: 1px solid #ccc; border-right: 1px solid #ccc; mso-line-height-rule: exactly">&nbsp;</td> 
</tr> 
</tbody> 
</table> </td> 
</tr> 
<tr> 
<td id="footer-pattern" style="padding: 0px; border-collapse: collapse; padding: 12px 20px"> 
<table id="footer-pattern-container" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333"> 
<tbody> 
<tr> 
<td id="footer-pattern-links-container" width="100%" style="padding: 0px; border-collapse: collapse; color: #999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px"> 
<table align="left" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px"> 
<tbody> 
<tr> 
<td class="footer-pattern-links mobile-resize-text" style="padding: 0px; border-collapse: collapse"><a href="https://cwiki.apache.org/confluence/users/removespacenotification.action?spaceKey=ACTIVEMQ&amp;src=mail&amp;src.mail.timestamp=1474988145313&amp;src.mail.notification=com.atlassian.confluence.plugins.confluence-content-notifications-plugin%3Apage-edited-notification&amp;src.mail.recipient=8aa980874e36a1eb014e36a2a6263ca9&amp;src.mail.action=stop-watching" title="" style="color: #3b73af; text-decoration: none">Stop watching space</a></td>
<td class="footer-pattern-links-bull" style="padding: 0px; border-collapse: collapse; padding: 0 5px; color: #999">•</td> 
</tr> 
</tbody> 
</table> 
<table style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px"> 
<tbody> 
<tr> 
<td class="footer-pattern-links mobile-resize-text" style="padding: 0px; border-collapse: collapse"><a href="https://cwiki.apache.org/confluence/users/editmyemailsettings.action?src=mail&amp;src.mail.timestamp=1474988145313&amp;src.mail.notification=com.atlassian.confluence.plugins.confluence-content-notifications-plugin%3Apage-edited-notification&amp;src.mail.recipient=8aa980874e36a1eb014e36a2a6263ca9&amp;src.mail.action=manage" title="" style="color: #3b73af; text-decoration: none">Manage notifications</a></td> 
</tr> 
</tbody> 
</table> </td>
<td id="footer-pattern-logo-desktop-container" rowspan="2" valign="top" style="padding: 0px; border-collapse: collapse; padding-left: 20px; vertical-align: top"> 
<table style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333"> 
<tbody> 
<tr> 
<td id="footer-pattern-logo-desktop-padding" style="padding: 0px; border-collapse: collapse; padding-top: 3px"><img id="footer-pattern-logo-desktop" src="cid:footer-desktop-logo" alt="Confluence logo big" title="Confluence logo big" width="132" height="20" class="image_fix"></td> 
</tr> 
</tbody> 
</table> </td> 
</tr> 
<tr> 
<td id="footer-pattern-text" class="mobile-resize-text" width="100%" style="padding: 0px; border-collapse: collapse; color: #999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px; display: none">This message was sent by Atlassian Confluence 5.8.4<br> <img id="footer-pattern-logo-mobile" src="cid:footer-mobile-logo" alt="" title="" width="0" height="0" style="display: none; mso-hide: all"></td> 
</tr> 
</tbody> 
</table> </td> 
</tr> 
</tbody> 
</table> 
<table id="sealed-section" border="0" cellpadding="0" cellspacing="0" width="0" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; color: #333; display: none"> 
<tbody> 
<tr> 
<td style="padding: 0px; border-collapse: collapse; border: 0; font-size: 0px; line-height: 0; mso-line-height-rule: exactly"></td> 
</tr> 
</tbody> 
</table>
</body>
</html>
Mime
View raw message