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Posted to dev@qpid.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2018/03/29 16:01:00 UTC

[jira] [Commented] (QPID-8144) [Broker-J] Memory compaction does not run when used direct memory exceeds 2GB

    [ https://issues.apache.org/jira/browse/QPID-8144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16419247#comment-16419247 ] 

ASF subversion and git services commented on QPID-8144:
-------------------------------------------------------

Commit 8e6d2c1f2cb47df31d7d2ccb8e00dfed6b713a70 in qpid-broker-j's branch refs/heads/master from [~k-wall]
[ https://git-wip-us.apache.org/repos/asf?p=qpid-broker-j.git;h=8e6d2c1 ]

QPID-8144: [Broker-J] Correct arithmetic type used when computing utilised direct memory (from int to long).


> [Broker-J] Memory compaction does not run when used direct memory exceeds 2GB
> -----------------------------------------------------------------------------
>
>                 Key: QPID-8144
>                 URL: https://issues.apache.org/jira/browse/QPID-8144
>             Project: Qpid
>          Issue Type: Bug
>          Components: Broker-J
>    Affects Versions: qpid-java-broker-7.0.2, qpid-java-6.0.7, qpid-java-6.1.3, qpid-java-6.0.8, qpid-java-broker-7.0.0, qpid-java-6.1.5, qpid-java-broker-7.0.1
>            Reporter: Keith Wall
>            Priority: Blocker
>             Fix For: qpid-java-6.1.6, qpid-java-broker-7.0.3
>
>
> The Broker-J uses direct memory for the caching of message content and IO buffers used for AMQP messaging. If direct memory utilisation exceeds 2GB, owing to a defect the memory compaction mechanism does not get triggered.  This problem may lead to an {{OutOfMemoryError: direct}} condition. Whether this condition manifests will depend on the message consumption patten - if the consumption pattern leads to sparsely occupied buffers the problem will occur. 
> A Broker restart will be required to restore service.



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