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https://issues.apache.org/jira/browse/THRIFT-2872?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Qiao Mu updated THRIFT-2872:
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Attachment: 0002-Fix-dead-lock-when-all-tasks-are-expired.patch
> ThreadManager deadlock for task expiration
> ------------------------------------------
>
> Key: THRIFT-2872
> URL: https://issues.apache.org/jira/browse/THRIFT-2872
> Project: Thrift
> Issue Type: Bug
> Components: C++ - Library
> Reporter: Qiao Mu
> Attachments: 0002-Fix-dead-lock-when-all-tasks-are-expired.patch
>
>
> I have a TNonblockingServer running with 1 worker thread and 10 IO thread.
> If there is a big task running, all pending tasks will be expired. In such
> case, all IO thread are waiting for maxMonitor_, but the worker won't notify
> because it will remove all the tasks(all of them are expired) first and
> tasks_.empty() will be true. Deadlock occurs.
> The patch move the inner notify if clause out so it will notify even if all
> tasks are removed for expiration.
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