GitHub user maropu opened a pull request:
https://github.com/apache/spark/pull/13444
[SPARK-15530][SQL] Set #parallelism for file listing in
listLeafFilesInParallel
## What changes were proposed in this pull request?
This pr is to set the number of parallelism to prevent file listing in
`listLeafFilesInParallel` from generating many tasks in case of large
#defaultParallelism.
## How was this patch tested?
Manually checked
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/maropu/spark SPARK-15530
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13444.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 #13444
----
commit 9a14cd80777a1013ef452818279b8bdc7bcf38b3
Author: Takeshi YAMAMURO <[email protected]>
Date: 2016-05-31T02:11:36Z
Set #parallelism for file listing in listLeafFilesInParallel
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