From d0498d979cdb9aa17065c27572f35a80fc7d59c9 Mon Sep 17 00:00:00 2001
From: tedyu <yuzhihong@gmail.com>
Date: Tue, 7 Feb 2017 12:24:20 -0800
Subject: [PATCH] HBASE-17565 StochasticLoadBalancer may incorrectly skip
 balancing due to skewed multiplier sum - addendum resets min cost

---
 .../hbase/master/balancer/TestStochasticLoadBalancer.java       | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.java
index e18334ba73d..614d2fb6c8d 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestStochasticLoadBalancer.java
@@ -96,6 +96,7 @@ public class TestStochasticLoadBalancer extends BalancerTestBase {
 
   @Test
   public void testNeedBalance() {
+    float minCost = conf.getFloat("hbase.master.balancer.stochastic.minCostNeedBalance", 0.05f);
     conf.setFloat("hbase.master.balancer.stochastic.minCostNeedBalance", 1.0f);
     loadBalancer.setConf(conf);
     for (int[] mockCluster : clusterStateMocks) {
@@ -104,6 +105,7 @@ public class TestStochasticLoadBalancer extends BalancerTestBase {
       assertNull(plans);
     }
     // reset config
+    conf.setFloat("hbase.master.balancer.stochastic.minCostNeedBalance", minCost);
     loadBalancer.setConf(conf);
   }