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From Yusaku Sako <yus...@hortonworks.com>
Subject Re: Rendering metrics on Ambari UI
Date Wed, 01 Oct 2014 19:25:58 GMT
Hi Sujeet,

Currently, which metrics graphs to display in the service pages is
hardcoded in ambari-web code.
We should make it such that 1) the graphs to display are declared in the
stack definition for each service and 2) ambari-web code needs to load this
information and display appropriate graphs under the service page.

I have opened https://issues.apache.org/jira/browse/AMBARI-7601 to handle
this.

Yusaku


On Wed, Oct 1, 2014 at 11:31 AM, Siddharth Wagle <swagle@hortonworks.com>
wrote:

> Hi Sujeet,
>
> The metrics.json file serves as a mapping between what is exposed by Ambari
> server API and the name of the metric as it is stored by Ganglia.
> (In fact the file name represents the metric name in the ganglia rrd
> database)
>
> You would need to add your metrics to the metrics.json file and once you do
> that, you should be able to query the Service Component or the Host
> Component for that metric using REST API.
>
> The UI hook up to plot that metric is something UI devs can comment on.
>
> -Sid
>
> On Wed, Oct 1, 2014 at 11:25 AM, Sujeet Varakhedi <svarakhedi@pivotal.io>
> wrote:
>
> > Hi all,
> > For the new HAWQ stack definition I am able publish metrics to Ganglia
> via
> > gmond python plugins and via gmetrics tool running inside a cron job. I
> can
> > see those metrics on the Ganglia web UI. (http://agent1/ganglia)
> > Now,  I am trying to get metrics rendered on the Amabri UI (Summary page
> if
> > possible). What is the mechanism to enable that? Also what is role of
> > metrics.json file in process?
> >
> > Thanks
> > Sujeet
> >
>
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