GitHub user zzcclp opened a pull request:
https://github.com/apache/spark/pull/5154
Improve ScalaUdf called performance.
As issue SPARK-6483 description, ScalaUdf is low performance because of
calling *asInstanceOf* to convert per record.
With this, the performance of ScalaUdf is the same as other case.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zzcclp/spark SPARK-6483
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/5154.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 #5154
----
commit 3ad6aefff90f151996c3c18993887a630e46f5f8
Author: zzcclp <[email protected]>
Date: 2015-03-24T05:45:32Z
Improve ScalaUdf called performance.
As issue SPARK-6483 description, ScalaUdf is low performance because of
calling *asInstanceOf* to convert per record.
With this, the performance of ScalaUdf is the same as other case.
----
---
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]
