mirror of https://github.com/k3s-io/k3s
6af0768768
Automatic merge from submit-queue (batch tested with PRs 60106, 59510, 60263, 60063, 59088). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Update cadvisor godeps to v0.29.0 and ignore per-cpu metrics **What this PR does / why we need it**: Updates the cAdvisor dependency to the cAdvisor release associated with the kubernetes 1.10 release. **Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*: Fixes #60052 **Special notes for your reviewer**: This PR also adds per-cpu metrics to the ignoreMetrics list. This is a new metric that can be ignored in the most recent cAdvisor release. The reason for not collecting per-cpu metrics is that it can cause severe scalability issues. For example, if using a 128 core machine, and running 100 containers, we have 12800 different streams of metrics just for per-cpu metrics which cAdvisor needs to process and transmit. Additionally, per-cpu metrics are not used by any kubernetes components, and if a user needs these metrics, they can run cAdvisor as a daemonset. **Release note**: ```release-note Disable per-cpu metrics by default for scalability. Fix inaccurate disk usage monitoring of overlayFs. Retry docker connection on startup timeout to avoid permanent loss of metrics. ``` /assign @dchen1107 |
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Readme
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