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List:       activemq-dev
Subject:    [jira] [Commented] (AMQ-3374) Long KahaDB transactions could lead
From:       "Dejan Bosanac (Commented) (JIRA)" <jira () apache ! org>
Date:       2011-12-27 12:32:30
Message-ID: 1720096981.46329.1324989150918.JavaMail.tomcat () hel ! zones ! apache ! org
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    [ https://issues.apache.org/jira/browse/AMQ-3374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13176156#comment-13176156 \
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Dejan Bosanac commented on AMQ-3374:
------------------------------------

Additional fix in svn revision 1224890

Transaction size is actual number of pages we keep in memory.
                
> Long KahaDB transactions could lead to OutOfMemory
> --------------------------------------------------
> 
> Key: AMQ-3374
> URL: https://issues.apache.org/jira/browse/AMQ-3374
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.5.0
> Reporter: Dejan Bosanac
> Assignee: Dejan Bosanac
> Fix For: 5.6.0
> 
> 
> Problem: all writes are kept in memory until the sync time, which for long \
>                 transactions could be a problem.
> Solution: define max transaction size and if threshold is reached keep the rest of \
> the writes in a temp file

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