Apollo becoming unresponsive under stress test
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Key: APLO-160
URL: https://issues.apache.org/jira/browse/APLO-160
Project: ActiveMQ Apollo
Issue Type: Bug
Environment: apollo-1.1-20120209.032648-24
Reporter: Lionel Cons
While running a stress test against apollo-1.1-20120209.032648-24 (many
concurrent TCP connections), the broker became unresponsive.
It logged several times: java.lang.OutOfMemoryError: GC overhead limit exceeded
It also logged other warnings, probably related:
2012-02-14 14:14:49,273 | WARN | handle failed | org.eclipse.jetty.io.nio |
Apollo Task
2012-02-14 14:18:39,073 | WARN | Problem scavenging sessions |
org.eclipse.jetty.server.session | HashSessionScavenger-0
It could not be stopped either, I had to kill -9 it.
What can be done to avoid these problems?
FWIW, java has been started with -server -Xmx8192m -Xms4096m
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