GitHub user zsxwing opened a pull request:
https://github.com/apache/spark/pull/16825
Avoid leak SparkContext in Signaling.cancelOnInterrupt
## What changes were proposed in this pull request?
`Signaling.cancelOnInterrupt` leaks a SparkContext per call and it makes
ReplSuite unstable.
This PR adds `SparkContext.getActive` to allow
`Signaling.cancelOnInterrupt` to get the active `SparkContext` to avoid the
leak.
## How was this patch tested?
Jenkins
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zsxwing/spark SPARK-19481
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16825.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 #16825
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commit 3554e33297140a51d554b57fbfce542ed66367df
Author: Shixiong Zhu <shixi...@databricks.com>
Date: 2017-02-06T22:40:16Z
Avoid leak SparkContext in Signaling.cancelOnInterrupt
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