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The purpose of this issue is to track cases of semaphore leaks with view of hopefully getting to the root cause and fixing it (assuming it is a problem!). This issue is to also hold any useful notes whilst narrowing down the problems.
Things that would be really helpful:
- Anyone being able to supply a concrete reproducer of a semaphore leak coming from dask/distributed.
- If the leak is not (easily) reproducible, anecdotal evidence about what was running at the time including things like:
- The setup of
dask-scheduleranddask-workers. - Roughly what the application code was doing at the time.
- If any signals were sent to the code (e.g.
SIGINT). - The reported message.
- The setup of
Many thanks for your help.
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