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Reduce apiserver metrics cardinality of non-core APIs 

* Reduce `apiserver_request_duration_seconds_count` cardinality
by dropping series for non-core Kubernetes APIs. This is done
to match `apiserver_request_duration_seconds_count` relabeling
* These two relabels must be performed the same way to avoid
affecting new SLO calculations (upcoming)
* See https://github.com/kubernetes-monitoring/kubernetes-mixin/issues/498

Related: https://github.com/poseidon/typhoon/pull/596
This commit is contained in:
Dalton Hubble 2020-09-13 01:40:27 -07:00
parent db8e94bb4b
commit 979c092ef6
2 changed files with 9 additions and 0 deletions
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6
CHANGES.md
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@ -4,6 +4,12 @@ Notable changes between versions.
## Latest ## Latest
### Addons
* Reduce apiserver metrics cardinality for non-core APIs ([#830](https://github.com/poseidon/typhoon/pull/830))
## v1.19.1
* Kubernetes [v1.19.1](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.19.md#v1191) * Kubernetes [v1.19.1](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.19.md#v1191)
* Change control plane seccomp annotations to GA `seccompProfile` ([#822](https://github.com/poseidon/typhoon/pull/822)) * Change control plane seccomp annotations to GA `seccompProfile` ([#822](https://github.com/poseidon/typhoon/pull/822))
* Update Cilium from v1.8.2 to [v1.8.3](https://github.com/cilium/cilium/releases/tag/v1.8.3) * Update Cilium from v1.8.2 to [v1.8.3](https://github.com/cilium/cilium/releases/tag/v1.8.3)

3
addons/prometheus/config.yaml
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@ -68,6 +68,9 @@ data:
- source_labels: [__name__, group] - source_labels: [__name__, group]
regex: apiserver_request_duration_seconds_bucket;.+ regex: apiserver_request_duration_seconds_bucket;.+
action: drop action: drop
- source_labels: [__name__, group]
regex: apiserver_request_duration_seconds_count;.+
action: drop
# Scrape config for node (i.e. kubelet) /metrics (e.g. 'kubelet_'). Explore # Scrape config for node (i.e. kubelet) /metrics (e.g. 'kubelet_'). Explore
# metrics from a node by scraping kubelet (127.0.0.1:10250/metrics). # metrics from a node by scraping kubelet (127.0.0.1:10250/metrics).