Github user witgo commented on the pull request:
https://github.com/apache/spark/pull/828#issuecomment-43583620
@mateiz It is not necessary to write it in the file system.After all,
there is no other RDD in reading it.I think it should be put checkpoint data
into blockManager, so performance will be much higher.
---
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.
---
