GitHub user wangyum opened a pull request:
https://github.com/apache/spark/pull/17020
[SPARK-19693][SQL] Make the SET mapreduce.job.reduces automatically
converted to spark.sql.shuffle.partitions
## What changes were proposed in this pull request?
Make the `SET mapreduce.job.reduces` automatically converted to
`spark.sql.shuffle.partitions`, it's similar to `SET mapred.reduce.tasks`.
## How was this patch tested?
unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wangyum/spark SPARK-19693
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17020.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 #17020
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commit c29ca8a5158a5caab72a866fb2043d88683fb44a
Author: Yuming Wang <[email protected]>
Date: 2017-02-20T10:57:05Z
SET mapreduce.job.reduces automatically converted to
spark.sql.shuffle.partitions
commit 79484664490cb24ae3cf51667758902edfb6b896
Author: Yuming Wang <[email protected]>
Date: 2017-02-22T03:23:12Z
Make test case for better readability
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