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A comment on Grafana Mimir – Horizontally scalable long-term storage for Prometheus. Parent comment

Re:Grafana Mimir – Horizontally scalable long-term storage f... by notacoward on Thursday March 31, 2022 @07:34PM (#30873478)
I don't know Prometheus, but I would imagine the answer depends on just how many clients you have. Probably doesn't matter if you're talking just a few. If it's a lot, then separate instances can be very expensive in terms of operational complexity and waste due to resource fragmentation. Multi-tenancy is good for bringing both of those back under control. Is there something about Prometheus that would negate that?
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Re:Grafana Mimir – Horizontally scalable long-term storage f... by vladvasiliu on Friday April 01, 2022 @01:48AM (#30875516)
For one, it doesn't really support authentication (although it's on the roadmap).

I'm no Prometheus expert, but since you're pretty much expected to be running a bunch of servers anyway, the operational complexity has to be handled even for just one client.

You do have a point on resource fragmentation, but IME Prometheus' resource usage is fairly predictable, so you could probably mitigate that to a point.

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