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Date: Tue, 28 Feb 2012 04:31:48 +0000 (UTC)
From: "Krishnadasan T S (Commented) (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
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Subject: [jira] [Commented] (AMQ-3736) Kaha DB Db.data file is growing
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    [ https://issues.apache.org/jira/browse/AMQ-3736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13217884#comment-13217884 ] 

Krishnadasan T S commented on AMQ-3736:
---------------------------------------

We are using activemq pool connection library in our client application.Is there any document that explain about how and when the db.data file will be cleared. I will try to make a test case and generate the same issue. 
                
> Kaha DB Db.data file is growing
> -------------------------------
>
>                 Key: AMQ-3736
>                 URL: https://issues.apache.org/jira/browse/AMQ-3736
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.5.1
>         Environment: cent os 5.3, java 6 update 30
>            Reporter: Krishnadasan T S
>            Priority: Blocker
>         Attachments: activemq.xml
>
>
> In our production and development environment db.data file is growing. Within few weeks it reaches GB's in size. When it grows larger broker hangs frequently. I have already reported a bug in 5.4.2(AMQ-3710) url https://issues.apache.org/jira/browse/AMQ-3710.  In that case db.data had a size of 5 GB. When we cleared kaha db related files db.data,db.redo and db-735.log files, that issue solved.By further monitoring  We noticed that db.data file is growing by day from MB to GB. And when the size become larger, the broker hanging issue is coming back.  
>            Now we have updated Our activemq broker to 5.5.1. But db.data is still growing. Every day we are monitoring it and if it is become big(200 mb) we are clearing all kaha related files before our business start.
>   Other kaha related files are normal. db-*.log files are cleared by kaha db. db.redo file is not growing. Only db-data file is growing.
>         I don't think this is a correct behavior. At certain point of time it should clear unwanted data write. I am using the same configuration without much change. 
>  I have attached active mq config file with this.
>  

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