Github user uce commented on the issue:
https://github.com/apache/flink/pull/2256
Thank you for your review. I've addressed your comment and now parent
directories are deleted if empty, resulting in an empty storage folder after
regular cleanup. If there are no objections, I would like to merge this later
today.
---
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.
---