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https://issues.apache.org/jira/browse/APLO-257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13505879#comment-13505879
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Christian Posta commented on APLO-257:
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Lionel,
I recently got access to some larger boxes like yours. I'll give it another go
when I get a sec. I'll keep you updated...
> Better memory usage (avoid Java OOM exceptions)
> -----------------------------------------------
>
> Key: APLO-257
> URL: https://issues.apache.org/jira/browse/APLO-257
> Project: ActiveMQ Apollo
> Issue Type: Improvement
> Environment: apollo-99-trunk-20120902.143447-110
> Reporter: Lionel Cons
>
> When running a stomp-benchmark based stress test against Apollo, it generated
> several OOM exceptions like:
> 2012-09-03 23:51:45,275 | WARN | handle failed |
> java.lang.OutOfMemoryError: Java heap space
> 2012-09-03 23:52:02,428 | WARN | |
> java.lang.OutOfMemoryError: Java heap space
> 2012-09-03 23:52:01,372 | WARN | Error for /broker |
> java.lang.OutOfMemoryError: Java heap space
> 2012-09-03 23:51:55,554 | WARN | Problem scavenging sessions |
> java.lang.OutOfMemoryError: Java heap space
> The JVM already had 8GB of heap. FWIW, here are the options used: "-server
> -Xmx8192m -Xms4096m -XX:-UseBiasedLocking".
> Would it be possible for Apollo to detect when its getting close to the JVM
> limits and adjust its memory usage accordingly (reducing buffers, swapping
> messages to disk...)?
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