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Posted to issues@hbase.apache.org by GitBox <gi...@apache.org> on 2021/10/26 17:36:29 UTC

[GitHub] [hbase] huaxiangsun commented on a change in pull request #3724: HBASE-26311 Balancer gets stuck in cohosted replica distribution

huaxiangsun commented on a change in pull request #3724:
URL: https://github.com/apache/hbase/pull/3724#discussion_r736774777



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File path: hbase-balancer/src/main/java/org/apache/hadoop/hbase/master/balancer/DoubleArrayCost.java
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@@ -74,7 +74,7 @@ private static double computeCost(double[] stats) {
 
     for (int i = 0; i < stats.length; i++) {
       double n = stats[i];
-      double diff = Math.abs(mean - n);
+      double diff = (mean - n) * (mean - n);

Review comment:
       Can it be changed to Math.pow(mean -n, 2)?




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