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https://issues.apache.org/jira/browse/THRIFT-4963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16937190#comment-16937190
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Jens Geyer commented on THRIFT-4963:
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Could that be a duplicate of THRIFT-4962 "Fix deadlock in TimerManager::stop"?
> TNonblockingServer blocked int addTask(IOThread) and notify(workerThread)
> -------------------------------------------------------------------------
>
> Key: THRIFT-4963
> URL: https://issues.apache.org/jira/browse/THRIFT-4963
> Project: Thrift
> Issue Type: Bug
> Affects Versions: 0.12.0
> Reporter: chenguang9239
> Priority: Major
>
> hello!
> when using c++ TNonblockingServer(with thread pool)，I found it blocked in
> high QPS status.
> I used pstack to print thread stack and found worker thread and IO thread
> blocked at:
> The worker thread will call notifyIOThread when it handle expired task, then
> call TNonblockingIOThread::notify and wait for POLLOUT in poll without
> timeout.
> The IO thread will call addTask when it gets requests. And IO threads will
> lock threadManager->mutex_ in addTask without a timeout
> Is it a bug of thrift 0.12.0?
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