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Posted to mapreduce-dev@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/07/18 22:54:05 UTC

[jira] [Resolved] (MAPREDUCE-223) JobClient should work with -1/+1 version of JobTracker

     [ https://issues.apache.org/jira/browse/MAPREDUCE-223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved MAPREDUCE-223.
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    Resolution: Incomplete

I need a state between stale and fixed.

> JobClient should work with -1/+1 version of JobTracker
> ------------------------------------------------------
>
>                 Key: MAPREDUCE-223
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-223
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>         Environment: all
>            Reporter: Alejandro Abdelnur
>
> Currently there is version check on the RPC calls that enforces the same Hadoop version on the client and the server.
> To enable phased upgrades of systems using Hadoop and Hadoop itself the {{JobClient}} should be able to interact with a {{JobTracker}} of the previous and the next version of Hadoop (or with a range).



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