GitHub user Udbhav30 opened a pull request:
https://github.com/apache/spark/pull/22906
[SPARK-25895][Core]Adding testcase to compare Lz4 and Zstd compression
## What changes were proposed in this pull request?
Added a UT to verify Zstd compression algorithm has better compression
ratio than lz4 in shuffle read/write and spill
## How was this patch tested?
Added UT
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/Udbhav30/spark perfTest
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/22906.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 #22906
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commit c0e598dacf1e3237bffb4c3a801fab89cc8eb37e
Author: Udbhav Agrawal <u.agrawal30@...>
Date: 2018-10-31T13:29:57Z
Adding testcase to compare Lz4 and Zstd compression
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