[HDDS-8118] Check if container directory is empty before deleting container

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.4.0
• Component/s: Ozone Datanode
• Labels: pull-request-available
• Target Version/s: 1.4.0, 1.3.1
• Assignee: Ritesh Shukla
• Reporter: Ritesh Shukla
• Created: 08/Mar/23 19:58
• Updated: 13/Jun/23 20:18
• Resolved: 11/Mar/23 01:26

Description

Add a defensive check if the container directory is empty before deleting the container to make sure data is not lost. This may leave a small amount of orphaned data before HDDS-8117 is complete.

Issue Links

• causes: HDDS-8838 Orphan blocks can leave empty container stuck deleting forever
• is duplicated by: HDDS-8136 Add defensive check during container deletion
• is related to: HDDS-8142 Check if no entries in Block DB for a container on container delete
• is related to: HDDS-7701 Data loss by deleting containers having non-deleted keys
• relates to: HDDS-8117 Move block files to container directory after the first put block
• links to: GitHub Pull Request #4367