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https://issues.apache.org/jira/browse/HBASE-21324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16655081#comment-16655081
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Allan Yang commented on HBASE-21324:
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{quote}
Upping timeouts and max steps as well as downing per region steps got the
balancer to make progress. That this config should be dynamic not requiring a
restart and that the logging on balancer gives little indication that reconfig
is needed are other issues.
{quote}
Sounds like a issue.
> [balancer] Gives up too soon when lots of regions
> -------------------------------------------------
>
> Key: HBASE-21324
> URL: https://issues.apache.org/jira/browse/HBASE-21324
> Project: HBase
> Issue Type: Bug
> Components: Balancer
> Reporter: stack
> Assignee: stack
> Priority: Major
>
> When there a few regions, the balancer seems to do a poorish job. My cluster
> is all out of whack and while the balancer runs, it doesn't do anything. So,
> I need to configure the balancer to run against large number of regions.
> There is no doc in reguide to help and there is no logging coming out of the
> balancer to help either. Let me fix.
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