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From "Jesse Yates (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-11048) Support setting custom priority per client RPC
Date Wed, 21 May 2014 18:37:40 GMT

     [ https://issues.apache.org/jira/browse/HBASE-11048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jesse Yates updated HBASE-11048:
--------------------------------

    Attachment: hbase-11048-0.98-v0.patch
                hbase-11048-trunk-v1.patch

Attaching updated patch for trunk (rebased on current) and patch for 0.98.

Ended up skipping the changes to CP to avoid touching the guts too much. We can do it later
if someone has a use-case for it - right now just covering the internals of HTable.

> Support setting custom priority per client RPC
> ----------------------------------------------
>
>                 Key: HBASE-11048
>                 URL: https://issues.apache.org/jira/browse/HBASE-11048
>             Project: HBase
>          Issue Type: Improvement
>          Components: Client
>    Affects Versions: 0.99.0, 0.98.2
>            Reporter: Jesse Yates
>            Assignee: Jesse Yates
>              Labels: Phoenix
>             Fix For: 0.99.0, 0.98.3
>
>         Attachments: hbase-11048-0.98-v0.patch, hbase-11048-trunk-v0.patch, hbase-11048-trunk-v1.patch
>
>
> Servers have the ability to handle custom rpc priority levels, but currently we are only
using it to differentiate META/ROOT updates from replication and other 'priority' updates
(as specified by annotation tags per RS method). 
> However, some clients need the ability to create custom handlers (e.g. PHOENIX-938) which
can really only be cleanly tied together to requests by the request priority. The disconnect
is in that there is no way for the client to overwrite the priority per table - the PayloadCarryingRpcController
will always just set priority per ROOT/META and otherwise just use the generic priority.



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