GitHub user chenghao-intel opened a pull request:
https://github.com/apache/spark/pull/8652
[SPARK-10484][SQL] Optimize the cartesian join with broadcast join for some
cases
In some cases, we can broadcast the smaller relation in cartesian join,
which improve the performance significantly.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/chenghao-intel/spark cartesian
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8652.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 #8652
----
commit 98efb3deada40f670a02f321cff0bcc62cb259a9
Author: Cheng Hao <[email protected]>
Date: 2015-09-08T07:19:00Z
optimize the cartesian join with broadcast join for some cases
----
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
