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From "Krishna (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQ-318) Allow the journal's checkpoint period to be configurable.
Date Mon, 26 Apr 2010 18:57:27 GMT

    [ https://issues.apache.org/activemq/browse/AMQ-318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=59107#action_59107
] 

Krishna commented on AMQ-318:
-----------------------------

How to configure the checkpointInterval  of the JournalPersistenceAdapter  in 5.3.1 release?

We are planning to use high performance Journal  + Mysql  permanent persistent . So our config
is:

   <persistenceAdapter>
          <journaledJDBC dataDirectory="${activemq.base}/broker"  dataSource="#mysql-ds"
 />
    </persistenceAdapter>

But we are also planning to control the checkpointInterval, so puzzling how to configure it.

 
Thanks lot.

> Allow the journal's checkpoint period to be configurable.
> ---------------------------------------------------------
>
>                 Key: AMQ-318
>                 URL: https://issues.apache.org/activemq/browse/AMQ-318
>             Project: ActiveMQ
>          Issue Type: Improvement
>          Components: Message Store
>    Affects Versions: 3.0
>            Reporter: Hiram Chirino
>            Priority: Minor
>             Fix For: 3.1
>
>         Attachments: activemq.dtd.patch, JournalPersistenceAdapter.java.patch
>
>
> msd@msdservices.com reported on the user list:
> Is the journal's checkpoint periodicity configurable?  Looking in JournalPersistenceAdapter.java,
the answer appears to be no.
> I would like to request that this timing be exposed.  While I am comfortable with 5 minutes,
the people who have to administer the system I am building would not be.
> // Do a checkpoint periodically.
> clockTicket = getClockDaemon().executePeriodically(1000 * 60 * 5, new Runnable() {
>   public void run() {
>       checkpoint(false);
>   }
> }, false);
> Matt

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