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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (HADOOP-7227) Remove protocol version check at proxy creation in Hadoop RPC.
Date Mon, 02 May 2011 23:02:03 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-7227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Todd Lipcon reopened HADOOP-7227:

> 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: Improvement
>          Components: ipc
>            Reporter: Jitendra Nath Pandey
>            Assignee: Jitendra Nath Pandey
>             Fix For: 0.23.0
>         Attachments: HADOOP-7227.2.patch, HADOOP-7227.3.patch, HADOOP-7227.4.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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