Qiao Mu created THRIFT-2872:
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Summary: 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
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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