[HBASE-3816] Put the balancer switch in ZK

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: 0.90.2
• Assignee: Unassigned
• Reporter: Jean-Daniel Cryans
• Created: 22/Apr/11 20:38
• Updated: 12/Jun/22 18:47
• Resolved: 07/May/13 22:35

Description

Currently the balancer switch lives only in the master's memory. Yesterday we had one master that died (in a strange way) and the one we restarted started balancing again. It's only a test cluster so it really wasn't a big deal, but I can imagine ways this could screw people's life.

Issue Links

• duplicates: HBASE-6260 balancer state should be stored in ZK