[HDFS-8143] HDFS Mover tool should exit after some retry when failed to move blocks.

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Pending Closed
• Affects Version/s: 2.6.0
• Fix Version/s: 2.7.1
• Component/s: balancer & mover
• Hadoop Flags: Reviewed
• Assignee: Surendra Singh Lilhore
• Reporter: Surendra Singh Lilhore
• Created: 14/Apr/15 18:49
• Updated: 14/Jul/15 15:34
• Resolved: 13/May/15 19:02

Description

Mover is not coming out in case of failed to move blocks.

hasRemaining |= Dispatcher.waitForMoveCompletion(storages.targets.values());

Dispatcher.waitForMoveCompletion() will always return true if some blocks migration failed. So hasRemaining never become false.

Issue Links

• is required by: HDFS-8541 Mover should exit with NO_MOVE_PROGRESS if there is no move progress
• relates to: HDFS-8147 Mover should not schedule two replicas to the same DN storage