Jie Yu created MESOS-3941:
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Summary: Using 'async' to invoke blocking functions will block
work threads.
Key: MESOS-3941
URL: https://issues.apache.org/jira/browse/MESOS-3941
Project: Mesos
Issue Type: Bug
Reporter: Jie Yu
Saw a few occurrences in the code base. For instance:
https://github.com/apache/mesos/blob/master/src/slave/containerizer/fetcher.cpp#L382
The current implementation of 'async' will create a libprocess process. That
means if the function is blocking, a worker thread will be blocked. If we have
too many such instances, we might end up deadlocking.
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