[HBASE-25055] Add ReplicationSource for meta WALs; add enable/disable when hbase:meta assigned to RS

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 2.4.0
• Hadoop Flags: Reviewed

Release Note

Set hbase.region.replica.replication.catalog.enabled to enable async WAL Replication for hbase:meta region replicas. Its off by default.

Defaults to the RegionReadReplicaEndpoint.class shipping edits -- set hbase.region.replica.catalog.replication to target a different endpoint implementation.

• Assignee: Michael Stack
• Reporter: Michael Stack
• Created: 17/Sep/20 05:32
• Updated: 17/Jun/22 04:49
• Resolved: 02/Oct/20 19:35

Description

Add ReplicationSource that feeds on hbase:meta WAL files. Add enabling this source when hbase:meta is opened and hbase:meta region replicas are configured ON. Disable the source when the hbase:meta Region moves away.

Issue Links

• links to: GitHub Pull Request #2451
• links to: PR2413