[FLINK-5818] change checkpoint dir permission to 700 for security reason

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Abandoned
• Component/s: Runtime / Checkpointing
• Labels: pull-request-available
• Assignee: Tao Wang
• Reporter: Tao Wang
• Created: 16/Feb/17 11:30
• Updated: 27/Sep/19 10:08
• Resolved: 27/Sep/19 10:08

Description

Now checkpoint directory is made w/o specified permission, so it is easy for another user to delete or read files under it, which will cause restore failure or information leak.

It's better to lower it down to 700.

Issue Links

• links to: GitHub Pull Request #3335
• links to: GitHub Pull Request #3335