[openstack-dev] [telemetry][ceilometer] New project: collectd-ceilometer-plugin

Foley, Emma L emma.l.foley at intel.com
Thu Feb 4 17:39:03 UTC 2016

> > So, metrics are grouped by the type of resource they use, and each metric
> has to be listed.
> > Grouping isn't a problem, but creating an exhaustive list might be, since
> there are 100+ plugins [1] in collectd which can provide statistics, although
> not all of these are useful, and some require extensive configuration. The
> plugins each provide multiple metrics, and each metric can be duplicated for
> a number of instances, examples: [2].
> >
> > Collectd data is minimal: timestamp and volume, so there's little room to
> find interesting meta data.
> > It would be nice to see this support integrated, but it might be very
> > tedious to list all the metric names and group by resource type without any
> form of Do the resource definitions support wildcards? Collectd can provide
> A LOT of metrics.
> >
> > Regards,
> > Emma
> >
> > [1] https://collectd.org/wiki/index.php/Table_of_Plugins
> > [2] https://collectd.org/wiki/index.php/Naming_schema
> gnocchi is strongly typed when compared to classical ceilometer db where
> you can dump anything and everything. we don't support wildcards as is but i
> believe it's something we can aim to support?

> Mehdi is currently in process of implementing dynamic resources which
> would give more flexiblity on what type of data we can store in Gnocchi.
> i believe from ceilometer pov, we can add support to allow wildcard support
> in regards to adding new metrics.

It makes sense to support wildcards, if someone is introducing a huge source of  meters.
I can help with that, if needed.


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