[HBASE-4275] RS should communicate fatal "aborts" back to the master

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.92.0
• Fix Version/s: 0.92.0
• Component/s: master, regionserver
• Hadoop Flags: Reviewed
• Assignee: Todd Lipcon
• Reporter: Todd Lipcon
• Created: 29/Aug/11 06:10
• Updated: 20/Nov/15 11:55
• Resolved: 30/Aug/11 19:27

Description

When a region server aborts, it should attempt to send an RPC to the master that contains (a) the reason for aborting, and (b) the last several KB of log messages, if available. This should help a lot in debugging.

Issue Links

• blocks: HBASE-4292 Add a debugging dump servlet to the master and regionserver