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https://issues.apache.org/jira/browse/HBASE-13375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell closed HBASE-13375.
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> Provide HBase superuser higher priority over other users in the RPC handling
> ----------------------------------------------------------------------------
>
> Key: HBASE-13375
> URL: https://issues.apache.org/jira/browse/HBASE-13375
> Project: HBase
> Issue Type: Improvement
> Components: IPC/RPC
> Reporter: Devaraj Das
> Assignee: Mikhail Antonov
> Priority: Major
> Fix For: 1.2.0, 2.0.0
>
> Attachments: HBASE-13375-v0.patch, HBASE-13375-v1.patch,
> HBASE-13375-v1.patch, HBASE-13375-v1.patch, HBASE-13375-v2.patch,
> HBASE-13375-v3.patch, HBASE-13375-v4.patch, HBASE-13375-v5.patch,
> HBASE-13375-v6.patch, HBASE-13375-v7.patch, HBASE-13375-v8.patch,
> HBASE-13375-v9-branch-1.1.patch, HBASE-13375-v9.patch
>
>
> HBASE-13351 annotates Master RPCs so that RegionServer RPCs are treated with
> a higher priority compared to user RPCs (and they are handled by a separate
> set of handlers, etc.). It may be good to stretch this to users too - hbase
> superuser (configured via hbase.superuser) gets higher priority over other
> users in the RPC handling. That way the superuser can always perform
> administrative operations on the cluster even if all the normal priority
> handlers are occupied (for example, we had a situation where all the master's
> handlers were tied up with many simultaneous createTable RPC calls from
> multiple users and the master wasn't able to perform any operations initiated
> by the admin). (Discussed this some with [~enis] and [~elserj]).
> Does this make sense to others?
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