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https://issues.apache.org/jira/browse/YARN-3575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14547808#comment-14547808
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Mohammad Shahid Khan commented on YARN-3575:
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Can we support the binary compatibility?
The API of 2.5 does not support the parsing of epoch character, may be its
because that time the container id was not containing the epoch character.
As per my understanding the binaries should be same across the cluster and
client.
> Job using 2.5 jars fails on a 2.6 cluster whose RM has been restarted
> ---------------------------------------------------------------------
>
> Key: YARN-3575
> URL: https://issues.apache.org/jira/browse/YARN-3575
> Project: Hadoop YARN
> Issue Type: Bug
> Components: client
> Affects Versions: 2.6.0
> Reporter: Jason Lowe
>
> Trying to launch a job that uses the 2.5 jars fails on a 2.6 cluster whose RM
> has been restarted (i.e.: epoch != 0) becaue the epoch number starts
> appearing in the container IDs and the 2.5 jars no longer know how to parse
> the container IDs.
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