[Hawkular-dev] Proposal for Query DSL

[Anton]

Really great idea!

On Apr 18, 2017 1:05 AM, "Benjamin Heiskell" <bheiskell at datto.com> wrote:

> Hey all,
>
> I recently deployed Hawkular because I found its scaling model appealing.
> It has been working well for our basic monitoring usage when combined with
> Grafana.
>
> One of my consumers is trying to graph KPIs that involve cross-metric
> mathematics like sums, division, and moving averages (i.e., post-ingress
> transformations). I looked into how to accomplish this with Hawkular, but I
> didn't see any obvious way to do it. The stats endpoint seems to only
> support aggregations on a single metric/tag at a time. I'm finding that we
> can't visualize these metrics the same way you can with other TSDBs like
> Graphite/Prometheus.
>
> I did a little research, and found Heiko Rupp's blog post on HawkFX where
> he seems to already be exploring this idea [1]. Perhaps the query language
> item on the 2017 road map refers to incorporating this?
>
> I would like to assist in developing this feature. Given that there is
> already a tags DSL, it seems like it would make sense to extend that to
> support metric transformations.
>
> Grafana is also considering adding this to Grafana itself, but it doesn't
> look like the ticket has any traction [2]. Additionally, shipping
> potentially megabytes of data to Grafana (or the user's browser) to
> aggregate doesn't seem ideal.
>
> I documented a few TSDB DSLs styles here [3].
>
> What do you all think?
>
> Thanks,
> Ben
>
> [1] http://pilhuhn.blogspot.com/2016/09/computed-metrics-for-hawkfx.html
> [2] https://github.com/grafana/grafana/issues/3677
> [3] https://gist.github.com/bheiskell/25af2543ee8588f70895b0311ef291d3
>
>
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