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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7607) Simplify the RPC proxy cleanup process
Date Mon, 19 Sep 2011 02:48:08 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13107595#comment-13107595
] 

Aaron T. Myers commented on HADOOP-7607:
----------------------------------------

Hey Uma, I'm afraid I'm not able to reproduce this issue. Can you maybe upload a patch with
the changes you made, and describe the exact test scenario you ran?

> Simplify the RPC proxy cleanup process
> --------------------------------------
>
>                 Key: HADOOP-7607
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7607
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc
>    Affects Versions: 0.24.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>             Fix For: 0.24.0
>
>         Attachments: hadoop-7607.0.patch, hadoop-7607.1.patch
>
>
> The process to clean up an RPC proxy object is to call RPC.stopProxy, which looks up
the RPCEngine previously associated with the interface which that proxy object provides and
calls RPCEngine.stopProxy passing in the proxy object. Every concrete implementation of RPCEngine.stopProxy
then looks up the invocation handler associated with the proxy object and calls close() on
that invocation handler.
> This process can be simplified by cutting out the steps of looking up the previously-registered
RPCEngine, and instead just having RPC.stopProxy directly look up the invocation handler for
the proxy object and call close() on it.

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