[Hawkular-dev] Ability to group by datapoint tag in Grafana

[John Mazzitelli]

This would be a feature request on Hawkular-Metrics (if they don't do something like this already - I do not know. I will defer to the H-Metrics folks to talk about how they do querying off of tags).

----- Original Message -----
> The OpenShift Agent when monitoring a prometheus endpoint creates a single
> metric with tagged datapoints, i.e.:
> 
> 
> 
> 
> https://github.com/coreos/etcd/blob/master/Documentation/v2/metrics.md#http-requests
> 
> 
> 
> 
> I1228 21:02:01.820530 1 metrics_storage.go:155] TRACE: Stored [3] [counter]
> datapoints for metric named
> [pod/fa32a887-cd08-11e6-ab2e-525400c583ad/custom/etcd_http_received_total]: [
> {2016-12-28 21:02:01.638767339 +0000 UTC 622 map[method:DELETE]}
> {2016-12-28 21:02:01.638767339 +0000 UTC 414756 map[method:GET]}
> {2016-12-28 21:02:01.638767339 +0000 UTC 33647 map[method:PUT]}
> ]
> 
> But when trying to view this via the grafana datasource, only 1 metric and
> the aggregated counts are shown. What i'd like to do is something like the
> below:
> 
> 
> 
> {
> "start": 1482999755690,
> "end": 1483000020093,
> "order": "ASC",
> "tags": "pod_namespace:etcd-testing",
> "groupDatapointsByTagKey": "method"
> }
> 
> Search via tags or name (as-is) and group the datapoints by a tag key, which
> would give you 3 lines, instead of 1.
> 
> Does that sound possible?
> 
> Cheers.
> 
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