[HBASE-25901] Replication may lose data during regionserver restart when multiwal is in use

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.4
• Fix Version/s: 2.3.6
• Component/s: multiwal, Replication

Environment

hbase version: 2.1.4

hbase.wal.provider: multiwal

 

• Hadoop Flags: Reviewed
• Assignee: youhailang
• Reporter: youhailang
• Created: 20/May/21 11:47
• Updated: 24/May/21 17:10
• Resolved: 24/May/21 01:33

Description

When multiwal is used, restarting the region server may result in the loss of replication data.This may be due to a non thread safe update of the queues in the ReplicationSource#
enqueueLog.

.

Issue Links

• links to: GitHub Pull Request #3286