HBASE-23153 PrimaryRegionCountSkewCostFunction SLB function should im…

…plement CostFunction#isNeeded (#714) Signed-off-by: Reid Chan <[email protected]>
apache · Oct 12, 2019 · d66ed4c · d66ed4c
1 parent 214d33e
commit d66ed4c
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/...-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java b/...-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
@@ -1243,6 +1243,11 @@ static class PrimaryRegionCountSkewCostFunction extends CostFunction {
         DEFAULT_PRIMARY_REGION_COUNT_SKEW_COST));
     }
 
+    @Override
+    boolean isNeeded() {
+      return cluster.hasRegionReplicas;
+    }
+
     @Override
     protected double cost() {
       if (!cluster.hasRegionReplicas) {