[HBASE-14233] Branch-1.2 Merging regions can result in messed up tables

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Cannot Reproduce
• Affects Version/s: 1.2.0
• Component/s: Region Assignment
• Assignee: Unassigned
• Reporter: Elliott Neil Clark
• Created: 17/Aug/15 21:33
• Updated: 01/Jul/22 20:54
• Resolved: 27/Apr/16 17:35

Description

15/08/17 14:10:50 INFO master.RegionStates: Transition null to {6486b9b9409b25f10eb806ec3bad442d state=MERGING_NEW, ts=1439845850422, server=hbase508.ash1.facebook.com,16020,1439844470302}
15/08/17 14:10:57 INFO master.AssignmentManager: Failed to record merged region 6486b9b9409b25f10eb806ec3bad442d
15/08/17 14:10:57 ERROR master.AssignmentManager: Failed to transtion region from {6486b9b9409b25f10eb806ec3bad442d state=MERGING_NEW, ts=1439845850422, server=hbase508.ash1.facebook.com,16020,1439844470302} to MERGE_PONR by hbase508.ash1.facebook.com,16020,1439844470302: Failed to record the merging in meta
15/08/17 14:11:08 WARN master.RegionStates: THIS SHOULD NOT HAPPEN: unexpected {6486b9b9409b25f10eb806ec3bad442d state=MERGING_NEW, ts=1439845857580, server=hbase508.ash1.facebook.com,16020,1439844470302}