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From "Aravindan Vijayan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-21939) Ambari HDFS Heatmaps are not showing data (Not Applicable) for bytes read, bytes written & DataNode Process Network I/O Utilization
Date Tue, 12 Sep 2017 16:56:00 GMT
Aravindan Vijayan created AMBARI-21939:
------------------------------------------

             Summary: Ambari HDFS Heatmaps are not showing data (Not Applicable) for bytes
read, bytes written & DataNode Process Network I/O Utilization
                 Key: AMBARI-21939
                 URL: https://issues.apache.org/jira/browse/AMBARI-21939
             Project: Ambari
          Issue Type: Bug
          Components: ambari-metrics
    Affects Versions: 2.6.0
            Reporter: Aravindan Vijayan
            Assignee: Aravindan Vijayan
            Priority: Critical
             Fix For: 2.6.0


PROBLEM: HDFS Heatmaps are not showing data (Not Applicable) for bytes read, bytes written
& DataNode Process Network I/O Utilization
EXPECTED BEHAVIOUR: Heatmaps should show data
ACTUAL BEHAVIOUR: Data is being shown as Not Applicable (Grey Box)
ANALYSIS
 This is reproducible in Ambari 2.2.2 and Ambari 2.5.1.0. If you go to HDFS, then click on
Heatmaps, you can see the API call go to 
{code}
fields=host_components/metrics/dfs/datanode/bytes_written._rate 
{code}
however this returns no values. If you remove ._rate then you can see the values which you
would expect.




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