[HDFS-7579] Improve log reporting during block report rpc failure

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.7.0
• Fix Version/s: 2.7.0, 2.6.1, 3.0.0-alpha1
• Component/s: datanode
• Labels: 2.6.1-candidate supportability
• Target Version/s: 2.7.0
• Hadoop Flags: Reviewed
• Assignee: Charles Lamb
• Reporter: Charles Lamb
• Created: 31/Dec/14 20:57
• Updated: 30/Aug/16 01:40
• Resolved: 08/Jan/15 23:35

Description

During block reporting, if the block report RPC fails, for example because it exceeded the max rpc len, we should still produce some sort of LOG.info output to help with debugging.

Issue Links

• duplicates: HDFS-7161 Hashcode is logging while logging block report message
• relates to: HDFS-5153 Datanode should send block reports for each storage in a separate message