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https://issues.apache.org/jira/browse/DIRMINA-934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14582462#comment-14582462
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Jeff MAURY commented on DIRMINA-934:
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What about:
removing the synchronization
removing the decoder output from the session and replace by a local decoder
out (that is in all cases flushed ie emptied at the end of the decoding phase
> Replace synchronized with a Semaphore for better performance
> ------------------------------------------------------------
>
> Key: DIRMINA-934
> URL: https://issues.apache.org/jira/browse/DIRMINA-934
> Project: MINA
> Issue Type: Improvement
> Components: Core
> Affects Versions: 2.0.7, 2.0.8
> Environment: Window 8 Pro x64, JDK 7
> Reporter: Paul Gregoire
> Labels: patch
> Fix For: 2.0.8
>
> Attachments: ProtocolCodecFilterWithSemaphoreAndMore.diff
>
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> Replacing the synchronized block with a Semaphore in the ProtocolCodecFilter
> provides a lot of benefit in terms of locking and also reduces CPU
> utilization. See attached git diff.
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