[HBASE-18107] [AMv2] Remove DispatchMergingRegionsRequest & DispatchMergingRegions

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha-1
• Fix Version/s: 2.0.0
• Component/s: Region Assignment
• Hadoop Flags: Reviewed

Release Note

Removes merge region code added into branch-2 but that was not needed after all. Branch-2 replaced dispatchMergingRegions with MergeTableRegionsProcedure.

Removed:

# dispatchMergingRegions from Connection (was superceded long ago in branch-1).
# mergeRegions from RsRpcServices (was not used).

• Assignee: Yi Liang
• Reporter: Michael Stack
• Created: 25/May/17 00:05
• Updated: 17/Jun/22 18:11
• Resolved: 23/Jul/17 09:54

Description

They don't align with how we have named the Split equivalents; i.e. SplitRegion (so should be MergeRegion...). They probably have these awkward names because the obvious slots are occupied... so this may not be fixable but filing issue anyways.

Issue Links

• Is contained by: HBASE-18105 [AMv2] Split/Merge need cleanup; currently they diverge and do not fully embrace AMv2 world