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https://issues.apache.org/jira/browse/HBASE-16598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15904021#comment-15904021
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Jerry He commented on HBASE-16598:
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Hi, [~syuanjiang]
It is probably for the incompatible change mentioned in the Release Notes.
> Enable zookeeper useMulti always and clean up in HBase code
> -----------------------------------------------------------
>
> Key: HBASE-16598
> URL: https://issues.apache.org/jira/browse/HBASE-16598
> Project: HBase
> Issue Type: Improvement
> Reporter: Jerry He
> Assignee: Jerry He
> Fix For: 2.0.0
>
> Attachments: HBASE-16598.patch, HBASE-16598-v2.patch,
> HBASE-16598-v3.patch, HBASE-16598-v4.patch, HBASE-16598-v5.patch
>
>
> We have zookeeper useMulti default true since HBase 1.0.0
> And in our Doc, "ZooKeeper 3.4.x is required as of HBase 1.0.0"
> The benefit of useMulti is obvious.
> Let's clean up the code to remove useMulti false case so that we don't have
> to continue with the hassle of maintaining two version of the code (e.g. in
> replication) . No go back to pre 3.4.x Zookeeper.
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