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From Aravindan Vijayan <avija...@hortonworks.com>
Subject Re: Trying to get Ambari metrics to work.
Date Tue, 23 Feb 2016 22:03:08 GMT
Hi Joshua,

You can get metrics using the fields=metrics predicate. Can you try something like this?


https://hcube2-1n01.eng.hortonworks.com:8443/api/v1/clusters/winchester/services/YARN/components/NODEMANAGER?fields=metrics/yarn/ContainersFailed._sum[1456261150,1456264750,15],metrics/yarn/ContainersCompleted._sum[1456261150,1456264750,15],metrics/yarn/ContainersLaunched._sum[1456261150,1456264750,15],metrics/yarn/ContainersIniting._sum[1456261150,1456264750,15],metrics/yarn/ContainersKilled._sum[1456261150,1456264750,15]


The metrics are defined in the metrics.json for the service. For example, for YARN it will
be at /var/lib/ambari-server/resources/common-services/YARN/2.1.0.2.0/YARN_metrics.json.


-- 
Thanks and Regards,
Aravindan Vijayan







On 2/23/16, 1:47 PM, "Joshua J. Kugler" <joshua@azariah.com> wrote:

>FYI: The Ambari IRC channel is dead-ish. :)
>
>So, according to the docs here: 
>
>https://github.com/apache/ambari/blob/trunk/ambari-server/docs/api/v1/index.md 
>
>a call such as this:
>GET /clusters/c1/services/HDFS/components/DATANODE
>
>should return a bunch of metrics including rpc, disk, cpu, etc.  I'm issuing 
>this query against our Ambari server: 
>
>http://localhost:8080/api/v1/clusters/data-torrent/services/YARN/components/YARN_CLIENT
>
>but I'm not getting nearly as much information. I'm only getting this: 
>
>https://gist.github.com/jkugler/db42cf9839e805606016
>
>What is the best way to get metrics from the Ambari REST API?
>
>Thanks!
>
>j
>
>-- 
>Joshua J. Kugler - Fairbanks, Alaska
>Azariah Enterprises - Programming and Website Design
>joshua@azariah.com - Jabber: pedahzur@gmail.com
>PGP Key: http://pgp.mit.edu/  ID 0x73B13B6A
>
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