[HBASE-18480] The cost of BaseLoadBalancer.cluster is changed even if the rollback is done

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha-1, 1.3.0, 1.2.6, 2.0.0-alpha-1
• Fix Version/s: 1.4.0, 1.3.2, 2.0.0-alpha-2, 2.0.0, 1.2.7
• Component/s: Balancer
• Labels: balancer
• Hadoop Flags: Reviewed
• Assignee: Chia-Ping Tsai
• Reporter: Chia-Ping Tsai
• Created: 30/Jul/17 09:31
• Updated: 22/Apr/19 21:43
• Resolved: 02/Aug/17 00:49

Description

If the cost of cluster isn't restored after the undo action, StochasticLoadBalancer will be hard to generate the "good" action to balance the cluster.

Issue Links

• is related to: HBASE-17658 Fix bookkeeping error with max regions for a table
• relates to: HBASE-17706 TableSkewCostFunction improperly computes max skew