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https://issues.apache.org/jira/browse/HADOOP-4892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ari Rabkin updated HADOOP-4892:
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Status: Patch Available (was: Open)
No test included; obvious way to test this is to run lots of subprocesses; if
the system doesn't die, the patch worked.
But this would be a distinctly heavyweight test with unpleasant consequences if
it failed. Further, it wouldn't be very reliable since there's no way of
knowing what any particular system's file descriptor limit is.
> File descriptor leak in Chukwa's ExecPlugin
> -------------------------------------------
>
> Key: HADOOP-4892
> URL: https://issues.apache.org/jira/browse/HADOOP-4892
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/chukwa
> Reporter: Ari Rabkin
> Assignee: Ari Rabkin
> Attachments: chukwafiledescleak.patch
>
> Original Estimate: 0.08h
> Remaining Estimate: 0.08h
>
> Chukwa's ExecPlugin doesn't properly close pipes after running a child
> process. For ExecPlugin, this is benign, since it runs in a separate
> process. For ExecAdaptor, this is catastrophic, since file descriptors leak.
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