GitHub user wangyum opened a pull request:
https://github.com/apache/spark/pull/17637
[SPARK-20337][CORE] Support upgrade a jar dependency and don't restart
SparkContext
## What changes were proposed in this pull request?
Support upgrade a jar dependency and don't restart `SparkContext`,
Something like this:
```
sc.addJar("breeze-natives_2.11-0.12.jar")
// do something
sc.removeJar("spark://192.168.26.200:23420/jar/breeze-natives_2.11-0.12.jar")
sc.addJar("breeze-natives_2.11-0.13.jar")
// do something
```
## How was this patch tested?
unit tests and manual tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wangyum/spark SPARK-20337
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17637.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 #17637
----
commit eb4cb8653565fcb66d7c7222cc7b765383bfce45
Author: Yuming Wang <wgy...@gmail.com>
Date: 2017-04-14T10:04:25Z
Support sc.removeJar
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