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https://issues.apache.org/jira/browse/THRIFT-2789?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Qiao Mu updated THRIFT-2789:
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Attachment: 0001-Close-connection-when-failed-to-notify-IO-thread.patch
> TNonblockingServer leaks socket FD's under load
> -----------------------------------------------
>
> Key: THRIFT-2789
> URL: https://issues.apache.org/jira/browse/THRIFT-2789
> Project: Thrift
> Issue Type: Bug
> Components: C++ - Library
> Reporter: Sergey
> Attachments:
> 0001-Close-connection-when-failed-to-notify-IO-thread.patch, D10015.diff
>
>
> I checked 0.9.2 and 1.0, but code didn't seem to change in 1.2 either.
> Problem is that network threads and worker threads use non-blocking socket
> (pipe) to communicate. Under heavy load writes to that pipe might fail with
> EAGAIN. While 'notifyIOThread' method carefully checks for the error and
> communicates the result via return value, not all callers check result of
> 'notify'.
> Generally it's hard to tell what appropriate handling of such a failure would
> be, but it's clear sockets shouldn't leak. Please use attached patch for the
> reference, but I do not insist what I did there is the best way to fix the
> problem.
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