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Posted to dev@qpid.apache.org by "Keith Wall (JIRA)" <ji...@apache.org> on 2016/10/03 14:00:30 UTC
[jira] [Resolved] (QPID-6803) ByteBuffer slices/duplicates
contribute significantly to garbage overhead in busy Brokers
[ https://issues.apache.org/jira/browse/QPID-6803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keith Wall resolved QPID-6803.
------------------------------
Resolution: Fixed
> ByteBuffer slices/duplicates contribute significantly to garbage overhead in busy Brokers
> -----------------------------------------------------------------------------------------
>
> Key: QPID-6803
> URL: https://issues.apache.org/jira/browse/QPID-6803
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Reporter: Keith Wall
> Assignee: Keith Wall
> Fix For: qpid-java-6.1
>
>
> Profile whilst running auto-ack/transacted test at higher messages rates shows that the garbage collection is dominated being dominated by DIrectByteBuffers resulting from slicing/duplicating.
> We could refactor QpidByteBuffer (maintaining our own remaining/capacity/limit and keeping a reference to the original buffer) ourselves to avoid this overhead.
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