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https://issues.apache.org/jira/browse/HBASE-25826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang reassigned HBASE-25826:
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Assignee: Duo Zhang
> Revisit the synchronization of balancer implementation
> ------------------------------------------------------
>
> Key: HBASE-25826
> URL: https://issues.apache.org/jira/browse/HBASE-25826
> Project: HBase
> Issue Type: Umbrella
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
>
> In StochasticLoadBalancer, some methods are synchronized, for example,
> setClusterMetrics, setConf, balanceTable, etc.
> What I can see is that, we have ConfigurationObserver support, so we need to
> make sure that the configuration updating does not effect the balance
> operation, so we need synchronization here. But do we support two balance
> operations at the same time? And what about other balancer implementations?
> I think we need to make the synchronization more clearer.
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