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https://issues.apache.org/jira/browse/HADOOP-8805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13458936#comment-13458936
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Vinod Kumar Vavilapalli commented on HADOOP-8805:
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bq. But the protocol itself moved from package
org.apache.hadoop.hdfs.protocolPB to org.apache.hadoop.tools. I believe, when
we send a call, we still include the full class name of the protocol which
contains it.
Agree that the package change will break the clients, but do we want to support
compatibility already on the alpha releases or start promising wire-compat
beginning with the first stable release?
> Move protocol buffer implementation of GetUserMappingProtocol from HDFS to
> Common
> ---------------------------------------------------------------------------------
>
> Key: HADOOP-8805
> URL: https://issues.apache.org/jira/browse/HADOOP-8805
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Bo Wang
> Assignee: Bo Wang
> Fix For: 2.0.3-alpha
>
> Attachments: HADOOP-8805.patch, HADOOP-8805-v2.patch,
> HADOOP-8805-v3.patch
>
>
> org.apache.hadoop.tools.GetUserMappingProtocol is used in both HDFS and YARN.
> We should move the protocol buffer implementation from HDFS to Common so that
> it can also be used by YARN.
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