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https://issues.apache.org/jira/browse/AMBARI-18571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15568149#comment-15568149
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Oleg Nechiporenko commented on AMBARI-18571:
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+1 for patch
> 'HDFS Space Utilization' metric graph in HDFS service page is incorrect
> -----------------------------------------------------------------------
>
> Key: AMBARI-18571
> URL: https://issues.apache.org/jira/browse/AMBARI-18571
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.1.2
> Reporter: Andrii Tkach
> Assignee: Andrii Tkach
> Priority: Critical
> Fix For: 3.0.0
>
> Attachments: AMBARI-18571.patch, Screen Shot 2015-10-27 at 5.50.13
> PM.png, Screen Shot 2015-10-27 at 5.50.29 PM.png, Screen Shot 2015-10-27 at
> 5.54.12 PM.png
>
>
> On a 500 node cluster I generated 1TB of data using the teragen example. The
> main dashboard and each DataNode alerts say that 98% of DFS space has been
> used. However on the HDFS service page, the HDFS Space Utilization graph
> shows 50% usage - which is misleading.
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