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From "Jesse Yates (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-11048) Support setting custom priority per client RPC
Date Mon, 21 Apr 2014 23:18:16 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-trunk-v0.patch

Attaching initial patch. I went with adding another factory in keeping with the same pattern
we are using the RpcCaller creation.

We could combine them into the same factory (or use a wrapper factory that delegates to the
correct factory for the specific object needed), but im not sure that it really gains us much
beyond not passing around another object.

> 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
>             Fix For: 0.99.0, 0.98.2
>
>         Attachments: hbase-11048-trunk-v0.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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