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Issue Type:
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![Bug]() Bug
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Affects Versions:
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current |
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Assignee:
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Unassigned |
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Components:
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subversion |
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Created:
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01/Oct/12 11:12 PM
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Description:
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Our Jenkins master handles just under 300 jobs with about half using SCM (subversion) polling. After a major branching event, we updated to version 1.481 of Jenkins and 1.42 of the subversion plugin. We saw extremely high memory usage shortly after startup with noticeably degraded performance. Analyzing a heap dump with eclipse mat, we got the following summary:
One instance of "java.util.TaskQueue" loaded by "<system class loader>" occupies 792,697,824 (73.68%) bytes. The instance is referenced by org.tmatesoft.svn.core.wc.DefaultSVNRepositoryPool @ 0x3267810 , loaded by "java.net.URLClassLoader @ 0x1ce7c938". The memory is accumulated in one instance of "java.util.TimerTask[]" loaded by "<system class loader>".
After rolling back our subversion plugin to 1.39, with no other changes to our configuration, memory usage settled back into a much more nominal (for us) range.
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Environment:
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Windows Server 2008 R2 , x86/32 (1 cores)
Java(TM) SE Runtime Environment, 1.6.0_26-b03
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Project:
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Jenkins
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Priority:
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![Major]() Major
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Reporter:
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Skip Sopscak
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