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https://issues.apache.org/jira/browse/AMBARI-14699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15112101#comment-15112101
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Hadoop QA commented on AMBARI-14699:
------------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12783648/AMBARI-14699.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 5 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
ambari-server.
Test results:
https://builds.apache.org/job/Ambari-trunk-test-patch/5020//testReport/
Console output:
https://builds.apache.org/job/Ambari-trunk-test-patch/5020//console
This message is automatically generated.
> 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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