juergen schmied created ARTEMIS-2185:
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Summary: High allocation pressure due to pre generated
ActiveMQExceptionMessage
Key: ARTEMIS-2185
URL: https://issues.apache.org/jira/browse/ARTEMIS-2185
Project: ActiveMQ Artemis
Issue Type: Improvement
Components: Broker
Affects Versions: 2.6.3
Reporter: juergen schmied
In org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl there is
{code:java}
public void returnBlocking(Throwable cause) {
lock.lock();
try {
response = new
ActiveMQExceptionMessage(ActiveMQClientMessageBundle.BUNDLE.unblockingACall(cause));
sendCondition.signal();
} finally {
lock.unlock();
}
}
{code}
The response is created but normally not used.
For every get/close connection there is the a ActiveMQExceptionMessage incl.
stacktrace created and abandoned.
This shows a high allocation pressure in jmc (8 MB garbage/200 calls).
please don't precreate the unused exception (maybe use a producer producing
exception when really needed)
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