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| # It locates on /etc/systemd/system/ | |
| [Unit] | |
| Description=Cleaning unnecessary cadvisor system resources. See issue https://github.com/kubernetes/kubernetes/issues/64137. | |
| [Service] | |
| Slice=cadvisor-gc.slice | |
| ExecStart=/opt/cadvisor-gc/cadvisor-gc.sh | |
| [Install] | |
| WantedBy=multi-user.target |
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| #!/bin/bash | |
| # It locates on /opt/cadvisor-gc/ | |
| count=0 | |
| increaseCount() { | |
| count=$((count + 1)) | |
| } | |
| for i in $(ls /sys/fs/cgroup/systemd/system.slice | grep "^run-r"); do | |
| pod=$(systemctl list-units --type scope --state running $i | cat | sed -n 's/\(.*\)Kubernetes transient mount for \/var\/lib\/kubelet\/pods\/\(.*\)\/volumes\(.*\)/\2/p') | |
| if [ ! -f "/var/lib/kubelet/pods/'$pod'" ]; then | |
| echo -n "Try to stop '$i' systemd scope... " | |
| systemctl stop $i | |
| echo "Stopped." | |
| increaseCount | |
| fi | |
| done | |
| echo -e "==========\nTotal ${count} systemd scope stopped." |
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| # It locates on /etc/systemd/system/ | |
| [Unit] | |
| Description=Limited resources Slice | |
| DefaultDependencies=no | |
| Before=slices.target | |
| [Slice] | |
| CPUQuota=5% | |
| MemoryLimit=0.1G |
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| # It locates on /etc/systemd/system/ | |
| [Unit] | |
| Description=Run cadvisor-gc every day | |
| [Timer] | |
| Unit=cadvisor-gc.service | |
| OnCalendar=*-*-* 16:00:00 | |
| [Install] | |
| WantedBy=timers.target |
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