huaxiangsun commented on a change in pull request #3724:
URL: https://github.com/apache/hbase/pull/3724#discussion_r736775124
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File path:
hbase-balancer/src/main/java/org/apache/hadoop/hbase/master/balancer/DoubleArrayCost.java
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@@ -98,12 +98,13 @@ public static double getMinSkew(double total, double
numServers) {
// It's possible that there aren't enough regions to go around
double min;
if (numServers > total) {
- min = ((numServers - total) * mean + (1 - mean) * total) ;
+ min = ((numServers - total) * mean * mean + (1 - mean) * (1 - mean) *
total) ;
Review comment:
Ditto for mean and (1-mean).
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