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https://issues.apache.org/jira/browse/HDFS-5083?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee updated HDFS-5083:
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Attachment: HDFS-5083.branch-2.x.patch
The patch is for branch-2, branch-2.1-beta and branch-2.1.0-beta. Trunk should
still have 3.0.0-SNAPSHOT.
> Update the HDFS compatibility version range
> -------------------------------------------
>
> Key: HDFS-5083
> URL: https://issues.apache.org/jira/browse/HDFS-5083
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.1.0-beta, 2.3.0
> Reporter: Kihwal Lee
> Priority: Blocker
> Attachments: HDFS-5083.branch-2.x.patch
>
>
> Since we have made incompatible changes including RPCv9, the following needs
> to be updated. For branch-2 and branch-2.*, I think it needs to be set to
> 2.1.0.
> DFS_NAMENODE_MIN_SUPPORTED_DATANODE_VERSION_DEFAULT
> DFS_DATANODE_MIN_SUPPORTED_NAMENODE_VERSION_DEFAULT
> The rpc change will make dn registration fail, so it won't get to the actual
> version check, but this still needs to be set correctly, since we are aiming
> 2.1.0 to be api/protocol stable.
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