GitHub user jinxing64 opened a pull request:
https://github.com/apache/spark/pull/18566
Refine the document for spark.reducer.maxReqSizeShuffleToMem.
## What changes were proposed in this pull request?
In current code, reducer can break the old shuffle service when
`spark.reducer.maxReqSizeShuffleToMem` is enabled. Let's refine document.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jinxing64/spark SPARK-21343
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18566.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 #18566
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commit 1fd9403d13f4efa31cedc81eafaf0271bc5843db
Author: jinxing <jinxing6...@126.com>
Date: 2017-07-07T15:56:15Z
Refine the document for spark.reducer.maxReqSizeShuffleToMem.
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