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https://issues.apache.org/activemq/browse/AMQ-2736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Straun reopened AMQ-2736:
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I am seeing this with a broker holding transactional persistent messages (100k 
messages a day 10k per msg), the queue sizes are all around 0 normally so I 
would expect the files to be cleared. I am using 5.4.0. The consumer of the 
messages is a .Net client with 'auto acknowledge' set. The KahaDB also appears 
to slow down as it runs, writes to the queues slows down so that the each 
commit cycle is taking 10% longer than the last.

> KahaDB doesn't clean up old files
> ---------------------------------
>
>                 Key: AMQ-2736
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2736
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.3.2
>            Reporter: Adrian Trenaman
>            Priority: Critical
>
> Over time, we're seeing that kahadb doesn't clean up old journal files. As a 
> result, we eventually run out of disk space, or rather, we hit our usage 
> limits and our producers are slowed down by the producer flow control 
> mechanism. Others have experienced this problem too (for example, see 
> http://mail-archives.apache.org/mod_mbox/activemq-users/201002.mbox/%[email protected]%3e)
> For now, we're moving back to the old amqPersistenceStore. 

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