GitHub user scwf opened a pull request:
https://github.com/apache/spark/pull/15213
[SPARK-17644] [CORE] Fix the race condition when DAGScheduler handle the
FetchFailed event
## What changes were proposed in this pull request?
| Time |Thread 1 , Job1 | Thread 2 , Job2 |
|:-------------:|:-------------:|:-----:|
| 1 | abort stage due to FetchFailed | |
| 2 | failedStages += failedStage | |
| 3 | | task failed due to FetchFailed |
then job2 of thread2 never resubmit the failed stage and hang.
we should not add failedStages when abort stage.
## How was this patch tested?
add unit test
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/KirinKing/spark dag-resubmit
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15213.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 #15213
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commit 8e667f532fa4509386ff6a6173b75a8e24cab40a
Author: w00228970 <[email protected]>
Date: 2016-09-23T07:17:46Z
test case
commit 2bfa05b172c68d6aa52e66359e83e2e7c6033662
Author: w00228970 <[email protected]>
Date: 2016-09-23T07:30:15Z
The failed stage never resubmitted
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