[HBASE-19077] Have Region*CoprocessorEnvironment provide an ImmutableOnlineRegions

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 2.0.0-alpha-4, 2.0.0
• Component/s: Coprocessors
• Hadoop Flags: Reviewed
• Release Note: Adds getOnlineRegions to the RegionCoprocessorEnvironment (Context) and ditto to RegionServerCoprocessorEnvironment. Allows Coprocessor get list of Regions online on the currently hosting RegionServer.
• Assignee: Michael Stack
• Reporter: Michael Stack
• Created: 24/Oct/17 06:17
• Updated: 01/Aug/18 06:21
• Resolved: 25/Oct/17 05:02

Description

This is about restoring some of the hbase1 parity... You used to be able to get list of Region on the local server and talk to them directly.

Suggested by anoop.hbase up in review. Makes sense.

Issue Links

• links to: Review Board (master)