Github user greghogan commented on the issue:
https://github.com/apache/flink/pull/3335
@WangTaoTheTonic, ACLs combine with the standard file permissions
(`user-group-other`). Only one ACL is necessary to implement this PR. A second
ACL would allow, for example, a `flink_admin` group to access all checkpoint
directories.
---
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.
---