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https://issues.apache.org/jira/browse/HBASE-21075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16595831#comment-16595831
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Duo Zhang commented on HBASE-21075:
-----------------------------------
Using zk is because that, I do not want to add a new method for master, which
may introduce compatibility issues...
> Confirm that we can (rolling) upgrade from 2.0.x and 2.1.x to 2.2.x after
> HBASE-20881
> -------------------------------------------------------------------------------------
>
> Key: HBASE-21075
> URL: https://issues.apache.org/jira/browse/HBASE-21075
> Project: HBase
> Issue Type: Sub-task
> Components: amv2, proc-v2
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Blocker
> Fix For: 2.1.1, 2.0.3
>
> Attachments: HBASE-21075.patch
>
>
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