stack created HBASE-21338:
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Summary: [balancer] If balancer is an ill-fit for cluster size, it
gives little indication
Key: HBASE-21338
URL: https://issues.apache.org/jira/browse/HBASE-21338
Project: HBase
Issue Type: Sub-task
Components: Balancer
Reporter: stack
See parent issue. Running balancer on a cluster where the max steps was way
inadequate, the balancer gave little to no indication that it was
ill-configured. In fact, it only logged its starting and then that there was
nothing to do though the cluster was obviously out-of-whack.
Ideally the balancer would complain when say the maxSteps limit is a small
fraction of what the cluster's calculated max steps are, or it would notice
that the balancer is making little progress on an imbalanced cluster and shout.
Can we set balancer configs w/o having to restart Master?
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