[HBASE-12139] StochasticLoadBalancer doesn't work on large lightly loaded clusters

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 0.99.0, 0.98.6.1, 2.0.0
• Fix Version/s: 0.98.7, 0.99.1
• Component/s: Balancer, master
• Hadoop Flags: Reviewed
• Assignee: Elliott Neil Clark
• Reporter: Elliott Neil Clark
• Created: 01/Oct/14 07:11
• Updated: 06/Apr/18 17:55
• Resolved: 01/Oct/14 20:04

Description

If you have a cluster with > 200 nodes and a small table (< 50 regions) the StochasticLoadBalancer doesn't work at all. It is not correctly scaling the required values.