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https://issues.apache.org/jira/browse/AMBARI-22625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16301001#comment-16301001
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Akhil S Naik commented on AMBARI-22625:
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send for review : https://reviews.apache.org/r/64714/
as review is successfull can you please assign this jira to myself : [~atkach]
And commit the issue on my behalf
> Non DFS Used from HDFS Namenode UI and HDFS summary in Ambari is different
> ---------------------------------------------------------------------------
>
> Key: AMBARI-22625
> URL: https://issues.apache.org/jira/browse/AMBARI-22625
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.5.2
> Reporter: Akhil S Naik
> Priority: Minor
> Fix For: 2.6.0
>
> Attachments: ambari-2.png, namenode.png, release2.5.2.patch,
> trunk.patch
>
>
> 'NON DFS Used' value in Services -> HDFS -> Summary if different from the
> Value shown in NameNode UI (see Picture).
> in NAMENODE UI -->
> !https://issues.apache.org/jira/secure/attachment/12901501/namenode.png!
> In Services -> HDFS -> Summary
> !https://issues.apache.org/jira/secure/attachment/12901499/ambari-2.png!
> In NameNode UI the Non DFS Used is taken from 'NonDfsUsedSpace' variable from
> REST API call :
> http://host1:50070/jmx?qry=Hadoop:service=NameNode,name=NameNodeInfo
> Where host1 is the Name Node Server FQDN
> but in Ambari we are calculating the same value from (Total Allocated - DFS
> USed - DFS Remaining) .
> due to which this issue is happening.
> as a Fix we need to use the 'capacityNonDfsUsed' which comes from Server in
> NameNode metrics
> 'FSNamesystem > CapacityNonDFSUsed'
> attached the patch in the JIRA.
> Please fix this bug
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