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From "Srimanth Gunturi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-14699) JMX heatmap API call takes over 1 minute to complete on 900 node cluster
Date Thu, 21 Jan 2016 19:26:40 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-14699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Srimanth Gunturi updated AMBARI-14699:
--------------------------------------
    Attachment: AMBARI-14699.patch
                AMBARI-14699_branch-2.2.patch

Attaching new patches with test fixes.

> JMX heatmap API call takes over 1 minute to complete on 900 node cluster
> ------------------------------------------------------------------------
>
>                 Key: AMBARI-14699
>                 URL: https://issues.apache.org/jira/browse/AMBARI-14699
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.2.0
>            Reporter: Srimanth Gunturi
>            Assignee: Srimanth Gunturi
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-14699.patch, AMBARI-14699_branch-2.2.patch
>
>
> On a 900 node cluster I went to the Dashboard heatmaps page for HDFS and the _DataNode
Garbage Collection Time_ heatmap took over 1 minute to respond. URL call is shown below.
> {code}http://perf-a-1:8080/api/v1/clusters/perf/services/HDFS/components/DATANODE?fields=host_components/metrics/jvm/gcTimeMillis&format=null_padding{code}



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