Github user sryza commented on the pull request:
https://github.com/apache/spark/pull/621#issuecomment-42092767
To add to what Tom said, there's a distinction between "renewing" tokens
and "repopulating" them. Renewing means extending the lifespan of existing
tokens. Repopulating is with new tokens is not something that YARN currently
does.
---
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.
---
