GitHub user vanzin opened a pull request:
https://github.com/apache/spark/pull/18393
[WIP][core] Update task accumulators before sending task end event.
This makes sures that listeners get updated task information; otherwise it's
possible to write incomplete task information into event logs, for example,
making the information in a replayed UI inconsistent with the original
application.
Added a new unit test to try to detect the problem, but it's not guaranteed
to fail since it's a race; but it fails pretty reliably for me without the
scheduler changes.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/vanzin/spark SPARK-20342.try2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18393.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 #18393
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commit 6de04edb6143e31b55f59f7bc1457e61afee64ac
Author: Marcelo Vanzin <[email protected]>
Date: 2017-06-07T17:20:39Z
[SPARK-20342][core] Update task accumulators before sending task end event.
This makes sures that listeners get updated task information; otherwise it's
possible to write incomplete task information into event logs, for example,
making the information in a replayed UI inconsistent with the original
application.
Added a new unit test to try to detect the problem, but it's not guaranteed
to fail since it's a race; but it fails pretty reliably for me without the
scheduler changes.
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