GitHub user dongjoon-hyun opened a pull request:
https://github.com/apache/spark/pull/11770
[SPARK-13942][CORE][DOCS] Remove Shark-related docs and visibility for 2.x
## What changes were proposed in this pull request?
`Shark` was merged into `Spark SQL` since [July
2014](https://databricks.com/blog/2014/07/01/shark-spark-sql-hive-on-spark-and-the-future-of-sql-on-spark.html).
The followings seem to be the only legacy.
**Migration Guide**
```
- ## Migration Guide for Shark Users
- ...
- ### Scheduling
- ...
- ### Reducer number
- ...
- ### Caching
```
**SparkEnv visibility and comments**
```
- *
- * NOTE: This is not intended for external use. This is exposed for Shark
and may be made private
- * in a future release.
*/
@DeveloperApi
-class SparkEnv (
+private[spark] class SparkEnv (
```
For Spark 2.x, we had better clean up those docs and comments in any way.
However, the visibility of `SparkEnv` class might be controversial. At the
first attempt, this issue proposes to change both stuffs according to the
note(*This is exposed for Shark*). During review process, the change on
visibility might be removed.
## How was this patch tested?
Pass the Jenkins test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dongjoon-hyun/spark SPARK-13942
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11770.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 #11770
----
commit f91c5480e9a3c4644a9f95ebbc48833abbed2ea0
Author: Dongjoon Hyun <[email protected]>
Date: 2016-03-16T19:53:34Z
[SPARK-13942][CORE][DOCS] Remove Shark-related docs and visibility for 2.x
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