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From "Evgueni Brevnov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5159) [drlvm][jit] stress tests org.apache.harmony.test.stress.gc.frag.Fragmentation hung
Date Fri, 07 Dec 2007 08:59:43 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12549344
] 

Evgueni Brevnov commented on HARMONY-5159:
------------------------------------------

I run FragmentationTest1024 over the night on Linux x86. During that period the test made
75 iterations. Some times it reported out of memory exception:

Uncaught exception in profiler thread:
java.lang.OutOfMemoryError
        <no stack trace available>

But that doesn't make test to fail and doesn't affect execution time in any way. Execution
time varies from 15 minutes up to 20 minutes. A the same time it takes only 3-5 minutes on
other platforms. So it is Linux x86 specific problem. Seems like finalization subsystem degrades
uder some conditions (presumably uder OutOfMemory conditions).

Should we open a separate JIRA to track that? Or we can use this one as a place holder...

Thanks
Evgueni

> [drlvm][jit]  stress tests org.apache.harmony.test.stress.gc.frag.Fragmentation hung
> ------------------------------------------------------------------------------------
>
>                 Key: HARMONY-5159
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5159
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Linux_x86,Windows x86
>            Reporter: Ilya Leviev
>
> stress tests org.apache.harmony.test.stress.gc.frag.Fragmentation hung
> Linux_x86:
> r595311
> stress.org.apache.harmony.test.stress.gc.frag.Fragmentation.FragmentationTest1024
> http://people.apache.org/~smishura/r595311/Linux_x86/stress/stress/org/apache/harmony/test/stress/gc/frag/Fragmentation/77_FragmentationTest1024-out.txt
> stress.org.apache.harmony.test.stress.gc.frag.FragmentationFinalizer.FragmentationFinalizerTest1024
> http://people.apache.org/~smishura/r595311/Linux_x86/stress/stress/org/apache/harmony/test/stress/gc/frag/FragmentationFinalizer/82_FragmentationFinalizerTest1024-out.txt
> stress.org.apache.harmony.test.stress.gc.frag.FragmentationReference.FragmentationSoftRefTest1024
> http://people.apache.org/~smishura/r595311/Linux_x86/stress/stress/org/apache/harmony/test/stress/gc/frag/FragmentationReference/91_FragmentationSoftRefTest1024-out.txt
> r597436
> stress.org.apache.harmony.test.stress.gc.frag.FragmentationFinalizer.FragmentationFinalizerTest16_1024
> Windows x86
> r597436
> stress.org.apache.harmony.test.stress.gc.frag.FragmentationReference.FragmentationSoftRefTest
> http://people.apache.org/~smishura/r597436/Windows_x86/stress/stress/org/apache/harmony/test/stress/gc/frag/FragmentationReference/90_FragmentationSoftRefTest-out.txt

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