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Merge pull request #68127 from serathius/metrics-server-30s 

Automatic merge from submit-queue (batch tested with PRs 68127, 68143). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.

Increase metrics-server scrape frequency to 30s

With new release of metrics-server and it's performance improvement, we will reduce metrics pipeline latency from 60s to 30s. 
This is part of sig-autoscaling effort to improve HPA https://github.com/kubernetes/kubernetes/pull/68021
```release-note
Increase scrape frequency of metrics-server to 30s
```
/cc @kawych @mwielgus @DirectXMan12 @dashpole
pull/8/head
Kubernetes Submit Queue 2018-09-03 04:45:29 -07:00 committed by GitHub
parent 058b26f38e abe3554db8
commit 6701e24c83
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cluster/addons/metrics-server/metrics-server-deployment.yaml
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@ -52,6 +52,7 @@ spec:
image: k8s.gcr.io/metrics-server-amd64:v0.3.0
command:
- /metrics-server
- --metric-resolution=30s
# These are needed for GKE, which doesn't support secure communication yet.
# Remove these lines for non-GKE clusters, and when GKE supports token-based auth.
- --kubelet-port=10255