GitHub user yucai opened a pull request:
https://github.com/apache/spark/pull/19788
[SPARK-9853][Core] Optimize shuffle fetch of contiguous partition IDs
## What changes were proposed in this pull request?
Optimize shuffle fetch of contiguous partition IDs
## How was this patch tested?
Add new unit tests, AdaptiveSchedulingSuite, BlockIdSuite etc.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yucai/spark shuffle_fetch_opt
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/19788.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 #19788
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commit e947bcb39d1436751e68e033871baba5a77f6d0e
Author: yucai <[email protected]>
Date: 2017-11-20T03:04:28Z
[SPARK-9853][Core] Optimize shuffle fetch of contiguous partition IDs
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