GitHub user ericl opened a pull request:
https://github.com/apache/spark/pull/17166
[SPARK-19820] [core] Allow reason to be specified for task kill
## What changes were proposed in this pull request?
This refactors the task kill path to allow specifying a reason for the task
kill. The reason is propagated opaquely through events, and will show up in the
UI automatically as `(N tasks killed: $reason)` and `TaskKilled: $reason`.
Also, make the logic for whether a task failure should be retried explicit
rather than special casing TaskKilled messages.
cc @rxin
## How was this patch tested?
Existing tests, tried killing some stages in the UI and verified the
messages are as expected.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ericl/spark kill-reason
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17166.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 #17166
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commit e9178b61f356ecf4469a58a05ee4183e7beb4bf9
Author: Eric Liang <e...@google.com>
Date: 2017-03-04T23:47:36Z
Allow reason to be specified for task kill
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