GitHub user saucam opened a pull request:
https://github.com/apache/spark/pull/5668
[SPARK-7097][SQL]: Partitioned tables should only consider referred
partitions in query during size estimation for checking against
autoBroadcastJoinThreshold
This PR attempts to add support for better size estimation in case of
partitioned tables so that only the referred partition's size are taken into
consideration when testing against autoBroadCastJoinThreshold and deciding
whether to create a broadcast join or shuffle hash join.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/saucam/spark part_size
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/5668.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 #5668
----
commit b0beb34d6a77c738660cb161306c947411d70ab5
Author: Yash Datta <[email protected]>
Date: 2015-04-23T17:58:17Z
SPARK-7097: Partitioned tables should only consider referred partitions in
query during size estimation for checking against autoBroadcastJoinThreshold
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