Lorenz Quack created QPID-7465:
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Summary: [Java Broker] Stop ServerEncoder from unnecessarily
allocating ByteBuffers
Key: QPID-7465
URL: https://issues.apache.org/jira/browse/QPID-7465
Project: Qpid
Issue Type: Bug
Components: Java Broker
Reporter: Lorenz Quack
As reported by [this email
thread|http://qpid.2158936.n2.nabble.com/java-broker-6-0-2-OOM-tp7651831.html]
the broker can currently run out of direct memory without flow-to-disk ever
kicking in.
A defect in {{SeverEncoder#init()}} means that we allocate a new 8 kB direct
bytebuffer everytime it is called (i.e. on every AMQP 0-10 method or command).
This is wasteful and in some cases the GC does not collect these direct byte
buffers fast enough leading to the OOM.
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