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https://issues.apache.org/jira/browse/HDFS-402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13109697#comment-13109697
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Uma Maheswara Rao G commented on HDFS-402:
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Updated a patch. Which will exactly do what Druba said in previous comment.
If we really need to get the version info from NN, then we may need to expose
some api in Filesystem to get into DFSAdmin, else above patch can satisfy the
needs.
> Display the server version in dfsadmin -report
> ----------------------------------------------
>
> Key: HDFS-402
> URL: https://issues.apache.org/jira/browse/HDFS-402
> Project: Hadoop HDFS
> Issue Type: Wish
> Reporter: Jakob Homan
> Priority: Minor
> Labels: newbie
> Attachments: HDFS-402.patch
>
>
> As part of HADOOP-5094, it was requested to include the server version in the
> dfsadmin -report, to avoid the need to screen scrape to get this information:
> bq. Please do provide the server version, so there is a quick and non-taxing
> way of determine what is the current running version on the namenode.
> Currently there is nothing in the dfs client protocol to query this
> information.
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