GitHub user caneGuy opened a pull request:
https://github.com/apache/spark/pull/20845
[SPARK-23708][CORE] Correct comment for function addShutDownHook in
ShutdownHookManager
## What changes were proposed in this pull request?
Comment below is not right.
```
/**
* Adds a shutdown hook with the given priority. Hooks with lower
priority values run
* first.
*
* @param hook The code to run during shutdown.
* @return A handle that can be used to unregister the shutdown hook.
*/
def addShutdownHook(priority: Int)(hook: () => Unit): AnyRef = {
shutdownHooks.add(priority, hook)
}
```
## How was this patch tested?
UT
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/caneGuy/spark zhoukang/fix-shutdowncomment
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20845.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 #20845
----
commit 0199a30783dcef86c5e643fdbcf8b31d4675326b
Author: zhoukang <zhoukang199191@...>
Date: 2018-03-16T09:21:58Z
Correct comment for function addShutDownHook in ShutdownHookManager
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