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Federate the api/v1/status/tsdb endpoint from Prometheus
Is your proposal related to a problem?
It would be great if Thanos Query could federate the api/v1/status/tsdb endpoint from Prometheus instances. This will allow users to analyze cardinality on the fly.
Describe the solution you'd like
Thanos Query could fanout to Prometheus sidecars and return a federated result from all endpoints.
Describe alternatives you've considered
We currently run https://github.com/thought-machine/prometheus-cardinality-exporter, but this requires ingesting metrics which further increases cardinality :)
Yes, I would see that as a potential gRPC API for our endpoints that Querier could merge.
We currently run https://github.com/thought-machine/prometheus-cardinality-exporter, but this requires ingesting metrics which further increases cardinality :)
Not if you use separate meta-monitoring which is a best practice (:
I think the main questions is to nail down exact API - what we want to people use it for and if a nice metric exposed by the receiver to meta-monitoring cannot fulfil the same purpose.
Potential Why nots
- Metrics exposed by receiver could hold the same information?
- Is this data for admin / operator of Thanos or for Thanos user?
Hello 👋 Looks like there was no activity on this issue for the last two months.
Do you mind updating us on the status? Is this still reproducible or needed? If yes, just comment on this PR or push a commit. Thanks! 🤗
If there will be no activity in the next two weeks, this issue will be closed (we can always reopen an issue if we need!). Alternatively, use remind command if you wish to be reminded at some point in future.
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Unfortunately I don't have capacity to work on this right now, I am primarily focused on the new engine. If no one has stepped up to tackle this, maybe we can close it for now?
