GitHub user hustfxj opened a pull request:
https://github.com/apache/spark/pull/17189
[SPARK-19831][CORE] Use a separate thread to clean up the finished
application to avoid the block
Cleaning the application may cost much time at worker, then it will block
that the worker send heartbeats master because the worker is extend
ThreadSafeRpcEndpoint. If the heartbeat from a worker is blocked by the message
ApplicationFinished, master will think the worker is dead. If the worker has a
driver, the driver will be scheduled by master again.
It had better use a separate thread to clean up the finished application to
avoid the block
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/hustfxj/spark worker-hearbeat
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17189.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #17189
----
commit a353262f3089c2c06fe07fc858450f771b3f54a8
Author: xiaojian.fxj <xiaojian....@alibaba-inc.com>
Date: 2017-03-07T11:59:07Z
[SPARK-19831][CORE] Use a separate thread to clean up the finished
application to avoid the block
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