Github user jerryshao commented on the issue:
https://github.com/apache/spark/pull/21390
YARN will clean container local dirs when container (executor) is exited,
so this may not be a problem in YARN.
YARN has a useful configuration "yarn.nodemanager.delete.debug-delay-sec"
to delay the container dir cleanup for a specified time, which is quite useful
for debug. Maybe we can add a similar config here?
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