GitHub user shaolinliu opened a pull request:
https://github.com/apache/spark/pull/17258
[SPARK-19807][Web UI]Add reason for cancellation when a stage is killed
using web UI
## What changes were proposed in this pull request?
When a user kills a stage using web UI (in Stages page),
StagesTab.handleKillRequest requests SparkContext to cancel the stage without
giving a reason. SparkContext has cancelStage(stageId: Int, reason: String)
that Spark could use to pass the information for monitoring/debugging purposes.
## How was this patch tested?
manual tests
Please review http://spark.apache.org/contributing.html before opening a
pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/shaolinliu/spark SPARK-19807
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17258.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 #17258
----
commit f43d1d689800d4d6fabdd7c3c4a85065f93bc34c
Author: lvdongr <lv.dongd...@zte.com.cn>
Date: 2017-03-11T11:37:00Z
[SPARK-19807][Web UI]Add reason for cancellation when a stage is killed
using web UI
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