GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/2838
[SPARK-3993] [PySpark] fix bug while reuse worker after take()
After take(), maybe there are some garbage left in the socket, then next
task assigned to this worker will hang because of corrupted data.
We should make sure the socket is clean before reuse it, write
END_OF_STREAM at the end, and check it after read out all result from python.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark fix_reuse
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/2838.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 #2838
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commit 660875b5cafb86e231d9d0b3a3f44ba9a13790a3
Author: Davies Liu <[email protected]>
Date: 2014-10-17T20:59:40Z
fix bug while reuse worker after take()
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