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Posted to dev@activemq.apache.org by "Gary Tully (JIRA)" <ji...@apache.org> on 2009/08/26 17:21:50 UTC
[jira] Commented: (AMQ-2366) File leak in KahaDB file lock - slave
exhausts OS fd limit
[ https://issues.apache.org/activemq/browse/AMQ-2366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=53804#action_53804 ]
Gary Tully commented on AMQ-2366:
---------------------------------
KahaDB persistence configured as follows:
<persistenceAdapter>
<!-- Config for high throughput, default max file size is 32 MiB. -->
<kahaDB
directory="${activemq.base}/data"
indexWriteBatchSize="1000"
enableIndexWriteAsync="true"
enableJournalDiskSyncs="false"
/>
</persistenceAdapter>
> File leak in KahaDB file lock - slave exhausts OS fd limit
> ----------------------------------------------------------
>
> Key: AMQ-2366
> URL: https://issues.apache.org/activemq/browse/AMQ-2366
> Project: ActiveMQ
> Issue Type: Bug
> Components: Message Store
> Affects Versions: 5.3.0
> Reporter: Gary Tully
> Assignee: Gary Tully
> Fix For: 5.3.0
>
>
> If I follow the logs, the slave brokers emit this message for a while:
>
> Database /opt/fusemq/data/dev-broker1/kahadb/lock is locked... waiting 10 seconds for the database to be unlocked. Reason: java.io.IOException: File '/opt/fusemq/data/dev-broker1/kahadb/lock' could
> not be locked.
>
> Then, it switches to
>
> Database /opt/fusemq/data/dev-broker1/kahadb/lock is locked... waiting 10 seconds for the database to be unlocked. Reason: java.io.FileNotFoundException: /opt/fusemq/data/dev-broker1/kahadb/lock (Too many open files)
> lsof shows loads of fds allocated to the slave broker.
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