[HDFS-8858] DU should be re-executed if the target directory exists

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: datanode
• Assignee: Unassigned
• Reporter: Akira Ajisaka
• Created: 05/Aug/15 07:14
• Updated: 14/Sep/16 09:03

Description

Unix DU command rarely fails when a child file/directory of the target path is being moved or deleted. I'm thinking we should re-try DU if the target path exists, to avoid failure in writing replicas.

Issue Links

• is related to: HDFS-8791 block ID-based DN storage layout can be very slow for datanode on ext4