GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/4601
[SPARK-5363] [PySpark] check ending mark in non-block way
There is chance of dead lock that the Python process is waiting for ending
mark from JVM, but which is eaten by corrupted stream.
This PR checks the ending mark from Python in non-block way, so it will not
blocked by Python process.
There is a small chance that the ending mark is sent by Python process but
not available right now, then Python process will not be used.
cc @JoshRosen @pwendell
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark freeze
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4601.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 #4601
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commit 05e1085aeed4378343ae88538cfb1c5bd2fa587f
Author: Davies Liu <[email protected]>
Date: 2015-02-13T23:27:49Z
check ending mark in non-block way
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