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From ritch...@apache.org
Subject svn commit: r891332 - /qpid/trunk/qpid/java/broker/etc/log4j.xml
Date Wed, 16 Dec 2009 17:21:21 GMT
Author: ritchiem
Date: Wed Dec 16 17:21:20 2009
New Revision: 891332

URL: http://svn.apache.org/viewvc?rev=891332&view=rev
Log:
QPID-2155 : Updated log4j file with more sensible default values for the QpidRollingFileAppender
appender.
Also added more local documentation explaining the more obscure params

Modified:
    qpid/trunk/qpid/java/broker/etc/log4j.xml

Modified: qpid/trunk/qpid/java/broker/etc/log4j.xml
URL: http://svn.apache.org/viewvc/qpid/trunk/qpid/java/broker/etc/log4j.xml?rev=891332&r1=891331&r2=891332&view=diff
==============================================================================
--- qpid/trunk/qpid/java/broker/etc/log4j.xml (original)
+++ qpid/trunk/qpid/java/broker/etc/log4j.xml Wed Dec 16 17:21:20 2009
@@ -22,30 +22,43 @@
 
 <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/" debug="null" threshold="null">
     <appender class="org.apache.log4j.QpidCompositeRollingAppender" name="ArchivingFileAppender">
-        <!-- Ensure that logs allways have the dateFormat set-->
-        <param name="StaticLogFileName" value="false"/>
-        <param name="File" value="${QPID_WORK}/log/${logprefix}qpid${logsuffix}.log"/>
-        <param name="Append" value="false"/>
+        <!-- Ensure that logs allways have the dateFormat set Default: TRUE-->
+        <param name="StaticLogFileName" value="true"/>
+	<param name="file" value="${QPID_WORK}/log/${logprefix}qpid${logsuffix}.log"/>
+	<!-- Style of rolling to use, by:
+	        File Size (1), 
+		Date(2), 
+		Both(3) - DEFAULT
+	   When Date (or Both) is enabled then the value of DatePattern will determine
+	   when the new file is made. e.g. a DatePattern of "'.'yyyy-MM-dd-HH-mm"
+	   which includes minutes will cause a new backup file to be made every minute.
+	 -->
+	<param name="RollingStyle" value="1"/>
         <!-- Change the direction so newer files have bigger numbers -->
-        <!-- So log.1 is written then log.2 etc This prevents a lot of file renames at
log rollover -->
-        <param name="CountDirection" value="1"/>
-        <!-- Use default 10MB -->
-        <!--param name="MaxFileSize" value="100000"/-->
+        <!-- 
+	 negative means backups become <latest>,.0,.1,2,...,n	 	
+	 0 means backup name is date stampted and follow Positive number if DataPattern clashes.
+	 Positive means backup becomes <lastest,n,n-1,n-2,..0
+	 
+	 Default is negative.
+	 -->	 	 
+        <param name="CountDirection" value="0"/>
+        <!-- Use default 1MB -->
+        <param name="MaxFileSize" value="1MB"/>
         <param name="DatePattern" value="'.'yyyy-MM-dd-HH-mm"/>
-        <!-- Unlimited number of backups -->
+        <!-- Unlimited number of backups : Default: 0, no backups, -1 infinite -->
         <param name="MaxSizeRollBackups" value="-1"/>
-        <!-- Compress(gzip) the backup files-->
+        <!-- Compress(gzip) the backup files default:FALSE-->
         <param name="CompressBackupFiles" value="true"/>
-        <!-- Compress the backup files using a second thread -->
+        <!-- Compress the backup files using a second thread  DEFAULT: FALSE-->
         <param name="CompressAsync" value="true"/>
-        <!-- Start at zero numbered files-->
-        <param name="ZeroBased" value="true"/>
-        <!-- Backup Location -->
-        <param name="backupFilesToPath" value="${QPID_WORK}/backup/log"/>
+        <!-- Backup Location : Default same dir as log file -->
+	<param name="backupFilesToPath" value="${QPID_WORK}/backup/log"/>
+
 
         <layout class="org.apache.log4j.PatternLayout">
             <param name="ConversionPattern" value="%d %-5p [%t] %C{2} (%F:%L) - %m%n"/>
-        </layout>
+        </layout>`
     </appender>
 
     <appender class="org.apache.log4j.FileAppender" name="FileAppender">



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