wchevreuil commented on a change in pull request #677: HBASE-23073 Add an 
optional costFunction to balance regions according to a capacity rule
URL: https://github.com/apache/hbase/pull/677#discussion_r330904090
 
 

 ##########
 File path: 
hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
 ##########
 @@ -654,6 +654,22 @@ protected double computeCost(Cluster cluster, double 
previousCost) {
     return total;
   }
 
+  /**
 
 Review comment:
   Is this method really needed? It appears to be used on a test only, just to 
assert the related cost function was loaded, but maybe we can just assert the 
expected result for the cost function, instead of checking internals of 
StochasticLoadBalancer.

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