GitHub user gengliangwang opened a pull request:
https://github.com/apache/spark/pull/22663
[SPARK-25490][SQL][TEST] Refactor KryoBenchmark to use main method
## What changes were proposed in this pull request?
Also make the scale smaller(reduce to 20%) to avoid OOM.
Before the code changes, I tried to run it with 8G memory
```
build/sbt -mem 8000 "core/testOnly
org.apache.spark.serializer.KryoBenchmark"
```
And still got OOM.
The benchmark result is also reason compared to the original one.
## How was this patch tested?
Unit test
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gengliangwang/spark kyroBenchmark
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/22663.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 #22663
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commit 529bba722b72204c465c71f773a222fdaf8aee39
Author: Gengliang Wang <gengliang.wang@...>
Date: 2018-10-07T13:30:56Z
refacotr KryoBenchmark
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