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https://issues.apache.org/jira/browse/HBASE-3774?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Daniel Cryans resolved HBASE-3774.
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Resolution: Duplicate
Yeah HBASE-3777 solves the same root problem.
> Manage ZK connections by components and ensembles
> -------------------------------------------------
>
> Key: HBASE-3774
> URL: https://issues.apache.org/jira/browse/HBASE-3774
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.90.2
> Reporter: Jean-Daniel Cryans
> Priority: Blocker
> Fix For: 0.92.0
>
>
> This is the real fix to HBASE-3773, we need to stop creating so many
> connections to ZK. Currently the problem is that we don't want to mix
> connections between the region server, a client, and whatever else in a JVM
> that requires talking to ZK. The current situation is a (non-intended)
> tradeoff of worse usability for easier unit testing.
> Another thing to take into account is that a client or a region server needs
> to be able to talk to more than one ensemble at the same time (CopyTable,
> replication are examples).
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