Prometheus Federation

[nina guo]

Hi,

May Prometheus Federation have the ability to store the data for a long period?

Can the architecture be like this?

Victoria metrics -> Prometheus Federation -> multi Prometheus instance?

I'm thinking Victoria metrics may do the similiar thing with Prometheus Federation.

[Ben Kochie]

Federation is just a way for one Prometheus to collect data from another Prometheus.

Prometheus supports WAL-based remote write to another Prometheus, so you really don't need to use Federation anymore.

So it would go something like this:

Multiple Prometheus -> remote write -> Central Prometheus

If you're looking for large scale (More than 10 million metrics), I would look at a clustering solution like Thanos or Cortex. These are Prometheus community / natively supported options.

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[nina guo]

Thank you.