[HBASE-24958] CompactingMemStore.timeOfOldestEdit error update

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha-1, 2.3.1, 2.2.5
• Fix Version/s: 3.0.0-alpha-1, 2.4.0, 2.2.7, 2.3.2
• Component/s: regionserver
• Hadoop Flags: Reviewed
• Assignee: wenfeiyi666
• Reporter: wenfeiyi666
• Created: 27/Aug/20 03:03
• Updated: 09/Nov/20 07:38
• Resolved: 10/Sep/20 16:51

Description

when use 'flush in memory', update timeOfOldestEdit every flush in memory, cause PeriodicMemStoreFlusher to not take effect, wals not free, constant backlog until maxlogs  triggers forced flush, makes failure recovery slower

Issue Links

• links to: GitHub Pull Request #2321