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https://issues.apache.org/jira/browse/HBASE-19131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16239671#comment-16239671
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Andrew Purtell commented on HBASE-19131:
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This changes the wire protocol by removing support for ListDeadServersRequest,
so is an inappropriate change for branch-1 and branch-1.4. What happens when a
client issues a ListDeadServersRequest to an upgraded server? Some kind of
error. Does it break the client functionality? I expect so. Was this change
tested in this kind of scenario?
> Add the ClusterStatus hook and cleanup other hooks which can be replaced by
> ClusterStatus hook
> ----------------------------------------------------------------------------------------------
>
> Key: HBASE-19131
> URL: https://issues.apache.org/jira/browse/HBASE-19131
> Project: HBase
> Issue Type: Sub-task
> Components: Coprocessors
> Reporter: Chia-Ping Tsai
> Assignee: Chia-Ping Tsai
> Fix For: 1.4.0, 1.5.0, 2.0.0-beta-1
>
> Attachments: HBASE-19131.branch-1.v0.patch,
> HBASE-19131.branch-1.v1.patch, HBASE-19131.v0.patch, HBASE-19131.v1.patch,
> HBASE-19131.v2.patch, HBASE-19131.v3.patch, HBASE-19131.v4.patch
>
>
> This issue will add the hook for {{ClusterStatus}} and cleanup other hooks
> which can be replaced by {{ClusterStatus}} hook.
> # {{ListDeadServers}} - introduced by HBASE-18131
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