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From "Siddharth Wagle (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-3178) Incorrect HDFS Garbage Collection Time on Heatmap
Date Tue, 10 Sep 2013 21:56:53 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-3178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Siddharth Wagle updated AMBARI-3178:
------------------------------------

    Attachment: AMBARI-3178.patch
    
> Incorrect HDFS Garbage Collection Time on Heatmap
> -------------------------------------------------
>
>                 Key: AMBARI-3178
>                 URL: https://issues.apache.org/jira/browse/AMBARI-3178
>             Project: Ambari
>          Issue Type: Bug
>          Components: controller
>    Affects Versions: 1.4.1
>            Reporter: Siddharth Wagle
>            Assignee: Siddharth Wagle
>             Fix For: 1.4.1
>
>         Attachments: AMBARI-3178.patch
>
>
> Precondition: hadoop is installed with default settings.
> Steps:
>     1. Go to "Heatmaps" page.
>     2. Select "HDFS Garbage Collection Time" metric
> Result:
> Random hosts indicate large HDFS Garbage Collection Time(more than 1d).
> JMX value of GcTimeMillis is normal.
> API call:
> {code}
> http://<ambari-server-host>:8080/api/v1/clusters/c1/services/HDFS/components/DATANODE?fields=host_components/metrics/jvm/gcTimeMillis&_=1378849540894
> {code}

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