GitHub user zhichao-li opened a pull request:
https://github.com/apache/spark/pull/9483
[SPARK-11517][SQL]Calc partitions in parallel for multiple partitions table
Currently we calculate the getPartitions for each "hive partition" in
sequence way, it would be faster if we can parallel this on driver side
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zhichao-li/spark parallelUnionRDD
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/9483.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 #9483
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commit 63dc9c04cc5d5fc9b815685dab1ba6d5811a999c
Author: zhichao.li <[email protected]>
Date: 2015-11-04T08:28:08Z
parallel
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