GitHub user heary-cao opened a pull request:
https://github.com/apache/spark/pull/18174
Improve Serializerbuffersize and filebuffersize configurable
## What changes were proposed in this pull request?
This PR Improvement in three:
1.With `spark.shuffle.file.buffer` configure fileBufferSizeBytes of
UnsafeExternalSorter .
2.With `spark.shuffle.sort.initialSerBufferSize` configure
SerializerBufferSize of UnsafeShuffleWriter.
3.Remove outputBufferSizeInBytes and inputBufferSizeInBytes to initialize
in mergeSpillsWithFileStream function.
## How was this patch tested?
The unit test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/heary-cao/spark buffersize
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18174.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 #18174
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commit ed248072db3611609e502b3082085c5905a83868
Author: caoxuewen <cao.xue...@zte.com.cn>
Date: 2017-06-01T09:16:07Z
Improve Serializerbuffersize and filebuffersize configurable
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