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https://issues.apache.org/jira/browse/HADOOP-7227?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jitendra Nath Pandey updated HADOOP-7227:
-----------------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
This has been committed!
> 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, HADOOP-7227.5.patch, HADOOP-7227.6.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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