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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13375) Provide HBase superuser higher priority over other users in the RPC handling
Date Thu, 21 May 2015 04:40:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14553611#comment-14553611
] 

Anoop Sam John commented on HBASE-13375:
----------------------------------------

This jira has diverted attention from actual item..  Sorry abt that.  As we had to add methods
to Public exposed User class was bit more careful.  So a viable solution is NOT to go with
refactoring as part of this Jira. We can do that in another issue and then will handle HBASE-10619.
 I can take up that new issue or if you would like to I can assign you [~mantonov].
The patch before I have added comment "Do not use Visibility util APIs" only will commit.
 We had +1s for that.
Any objections Mikhail?  If you are busy, I will do the rebase and do commit.
Thanks for the perseverance man.

> 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: rpc
>            Reporter: Devaraj Das
>            Assignee: Mikhail Antonov
>             Fix For: 1.1.1
>
>         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-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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