Keith Wall created QPID-8144:
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Summary: [Broker-J] Memory compaction not running when allocated
direct memory exceeds 2GB
Key: QPID-8144
URL: https://issues.apache.org/jira/browse/QPID-8144
Project: Qpid
Issue Type: Bug
Components: Broker-J
Reporter: Keith Wall
Fix For: qpid-java-broker-7.1.0, qpid-java-6.1.6,
qpid-java-broker-7.0.3, qpid-java-6.1.3, qpid-java-6.0.7
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.
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