Github user scwf commented on the pull request:
https://github.com/apache/spark/pull/3531#issuecomment-65174711
Yes, i also realize this, it will not be always faster, since ```coalesce
(1)``` will lead to run with a single thread.
---
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]