clarax commented on a change in pull request #3710:
URL: https://github.com/apache/hbase/pull/3710#discussion_r723706397
##########
File path:
hbase-balancer/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
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@@ -345,33 +346,27 @@ boolean needsBalance(TableName tableName,
BalancerClusterState cluster) {
return false;
}
if (areSomeRegionReplicasColocated(cluster)) {
- LOG.info("Running balancer because at least one server hosts replicas of
the same region.");
+ LOG.info("Running balancer because at least one server hosts replicas of
the same region." +
+ " function cost={}", functionCost());
Review comment:
This is only called at every balancer iteration, which is by default 5
min. I would not be worried.
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