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From "Rob Godfrey (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (QPID-7272) [Java Broker] Direct memory QpidByteBuffer created in message conversion modules should be disposed as soon as possible after becoming unused
Date Sat, 10 Dec 2016 20:07:58 GMT

     [ https://issues.apache.org/jira/browse/QPID-7272?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rob Godfrey reassigned QPID-7272:
---------------------------------

    Assignee: Rob Godfrey

> [Java Broker] Direct memory QpidByteBuffer created in message conversion modules should
be disposed as soon as possible after becoming unused
> ---------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: QPID-7272
>                 URL: https://issues.apache.org/jira/browse/QPID-7272
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>    Affects Versions: qpid-java-6.0
>            Reporter: Alex Rudyy
>            Assignee: Rob Godfrey
>             Fix For: qpid-java-7.0.0
>
>
> Direct memory QpidByteBuffer in MessageConverter_to_1_0#convertServerMessage(...) is
not disposed programmatically. We rely on GC to release it from memory when it became unused.
There is a risk that when such QpidByteBuffers are not "garbage collected" soon enough Broker
might run out of direct memory on heavy loads.
> Currently a user who relies heavily of message conversion with high rates of message
flow, may see an OOM direct.



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