CPU limits: you are doing it wrong!

Why CPU limits (and request) is the most misunderstood feature in Kubernetes.
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How to free disk space in Kubernetes nodes

The alert Node has a filesystem that is not read-only which is (a) above 60% usage and (b) is expected to reach 100% usage in 24h. alert: NodeFilesystemSpaceFillingUp expr: | ( node_filesystem_avail_bytes{fstype!="",job="node-exporter"} / node_filesystem_size_bytes{fstype!="",job="node-exporter"} * 100 < 40 and predict_linear(node_filesystem_avail_bytes{fstype!="",job="node-exporter"}[6h], 24 * 60 * 60) < 0 and node_filesystem_readonly{fstype!="",job="node-exporter"} == 0 ) for: 1h The investigation The disk is above 80% utilization: # disk usage above 80% [root@ip-172-23-91-119 docker]# df -h / Filesystem Size Used Avail Use% Mounted on /dev/nvme0n1p1 100G 81G 20G 81% / ~65% of disk usage is due to Docker images:
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