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From "Gary Helmling (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5448) Support for dynamic coprocessor endpoints with PB-based RPC
Date Thu, 20 Dec 2012 00:29:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13536640#comment-13536640
] 

Gary Helmling commented on HBASE-5448:
--------------------------------------

[~saint.ack@gmail.com] That seems an unintentional bug on my part.  I recall that the coprocessorExec()
synchronization issue was being fixed at the same time I was working on this.  I might have
missed the final resolution.  I probably chose CSLM for "performance" but missed the change
in semantics with disallowing null.  With the switch to PB services, you should not get back
null from an endpoint (except with an exception), but that doesn't mean the Batch.Call implementation
wouldn't return null.
                
> Support for dynamic coprocessor endpoints with PB-based RPC
> -----------------------------------------------------------
>
>                 Key: HBASE-5448
>                 URL: https://issues.apache.org/jira/browse/HBASE-5448
>             Project: HBase
>          Issue Type: Sub-task
>          Components: IPC/RPC, master, migration, regionserver
>            Reporter: Todd Lipcon
>            Assignee: Gary Helmling
>             Fix For: 0.96.0
>
>         Attachments: HBASE-5448_2.patch, HBASE-5448_3.patch, HBASE-5448_4.patch, HBASE-5448.patch
>
>


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