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https://issues.apache.org/jira/browse/QPID-8144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16420405#comment-16420405
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ASF subversion and git services commented on QPID-8144:
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Commit f4a8107c7cb5eac33f2f5abd3607eaa8d9b0271b in qpid-broker-j's branch
refs/heads/6.0.x from [~k-wall]
[ https://git-wip-us.apache.org/repos/asf?p=qpid-broker-j.git;h=f4a8107 ]
QPID-8144: [Broker-J] Correct arithmetic type used when computing utilised
direct memory (from int to long).
Cherry picked from 6.1.x b35dda09a8c0a3c99fd522518e899dfd5f53bd58
> [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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