[HDFS-9620] Slow writer may fail permanently if pipeline breaks.

• Type: Bug
• Status: Open
• Priority: Critical
• Resolution: Unresolved
• Component/s: hdfs-client, security
• Assignee: Unassigned
• Reporter: Kihwal Lee
• Created: 06/Jan/16 21:38
• Updated: 11/Jan/16 19:00

Description

During a block write to a datanode, if the block write time exceed the block token expiration, the client will not be able to reestablish a block output stream. E.g. if a node in the pipeline dies, the pipeline recovery won't work.