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https://issues.apache.org/jira/browse/AMBARI-1442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13580957#comment-13580957
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Mahadev konar commented on AMBARI-1442:
---------------------------------------
Tom,
We are marking the pointintime as false for all ganglia properties and adding
otherwise in jmx right? How do we decide that we need need to return point in
time metrics vs temporal? Is it based on query? Also, if you do a fields=* then
how do we figure out that we need to return all the point in time metrics for
all we know about?
> Host Component metrics always showing zero values
> -------------------------------------------------
>
> Key: AMBARI-1442
> URL: https://issues.apache.org/jira/browse/AMBARI-1442
> Project: Ambari
> Issue Type: Bug
> Reporter: Tom Beerbower
> Assignee: Tom Beerbower
> Fix For: 1.2.2
>
> Attachments: AMBARI-1442.patch
>
>
> In spite of the fact that some hadoop jobs that were performed, all fields of
> shuffle metrics have 0.0 values.
> Used the following request to get shuffle metrics:
> {code}
> api/v1/clusters/clusterName/hosts/hostName/host_components/TASKTRACKER?fields=metrics/mapred/shuffleOutput
> {code}
> Result:
> {code}
> "metrics" : {
> "mapred" : {
> "shuffleOutput" :
> { "shuffle_success_outputs" : 0, "shuffle_handler_busy_percent" : 0,
> "shuffle_output_bytes" : 0, "shuffle_failed_outputs" : 0,
> "shuffle_exceptions_caught" : 0 }
> }
> }
> {code}
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