[HBASE-12936] Quota support for namespace should take region merge into account

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Hadoop Flags: Reviewed
• Assignee: Ted Yu
• Reporter: Ted Yu
• Created: 28/Jan/15 15:23
• Updated: 16/Jun/22 05:46
• Resolved: 29/Jan/15 17:13

Description

HBASE-8410 added basic quota support for namespaces.
However, region merge operation was not taken into account. This means, once region count limit is reached, user table cannot be split even after some regions are successfully merged.

This issue fixes the bug by adding hook in RegionStateListener for region merged event.