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Date: Mon, 2 May 2011 18:30:03 +0000 (UTC)
From: "Jitendra Nath Pandey (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HADOOP-7227) Remove protocol version check at
 proxy creation in Hadoop RPC.
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     [ https://issues.apache.org/jira/browse/HADOOP-7227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jitendra Nath Pandey updated HADOOP-7227:
-----------------------------------------

    Status: Open  (was: Patch Available)

> Remove protocol version check at proxy creation in Hadoop RPC.
> --------------------------------------------------------------
>
>                 Key: HADOOP-7227
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7227
>             Project: Hadoop Common
>          Issue Type: New Feature
>            Reporter: Jitendra Nath Pandey
>            Assignee: Jitendra Nath Pandey
>         Attachments: HADOOP-7227.2.patch, HADOOP-7227.3.patch
>
>
> Currently when a proxy is created for a protocol, there is a round trip of messages to check the protocol version. The protocol version is not checked in any subsequent rpc which could be a problem if the server restarts with a new protocol version. This issue and also the additional round-trip at proxy creation can be avoided if we add the protocol version in every rpc, and server checks the protocol version for every call.

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