GitHub user jiangxb1987 opened a pull request:
https://github.com/apache/spark/pull/22011
[WIP][SPARK-24822][PySpark] Python support for barrier execution mode
## What changes were proposed in this pull request?
This PR add python support for barrier execution mode, thus enable launch a
job containing barrier stage(s) from PySpark.
We just forked the existing `RDDBarrier` and `RDD.barrier()` in Java and
Python api here.
## How was this patch tested?
TBD
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jiangxb1987/spark python
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/22011.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 #22011
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commit ec2f66851b47ab885608cb7caa277eeb865ab0d2
Author: Xingbo Jiang <xingbo.jiang@...>
Date: 2018-08-06T18:02:29Z
init.
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