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From "Qin Liu (JIRA)" <>
Subject [jira] [Created] (AMBARI-19829) Several HDFS/YARN widgets on Heatmaps show N/A
Date Wed, 01 Feb 2017 23:12:51 GMT
Qin Liu created AMBARI-19829:

             Summary: Several HDFS/YARN widgets on Heatmaps show N/A
                 Key: AMBARI-19829
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.2.2
            Reporter: Qin Liu
            Assignee: Qin Liu
             Fix For: trunk

The following HDFS/YARN widgets on Heatmaps show N/A:
1. HDFS - HDFS Bytes Written, HDFS Bytes Read, DataNode Process Disk I/O Utilization, and
DataNode Process Network I/O Utilization
2. YANR - Container Failures

The issue was introduced by AMBARI-15835 "Rate metrics requesting widgets do not show up on
Ambari" which introduced rate metrics and applied rate metrics to several HBASE/HDFS/YARN
widgets on Summary pages  as well as Heatmap pages. Rate metrics work fine on Summary pages
but they don't work on Heatmap pages because current Heatmap design can only show point-in-time
metrics and rate metrics need a time range.

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