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технология_cgroup [2017/12/05 09:02] val создано |
технология_cgroup [2024/12/11 10:58] (current) val [cgroup v2] |
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| ====== Технология cgroup ====== | ====== Технология cgroup ====== | ||
| - | * [[https://habrahabr.ru/company/selectel/blog/303190/|Механизмы контейнеризации: cgroups]] | + | * [[https://habrahabr.ru/company/selectel/blog/303190/|Механизмы контейнеризации: cgroups]] (сокращение от control groups, контрольные группы) |
| - | * [[https://blogs.rdoproject.org/7761/hands-on-linux-sandbox-with-namespaces-and-cgroups|Hands on Linux sandbox with namespaces and cgroups]] | + | * [[https://habr.com/ru/companies/redhatrussia/articles/423051/|Борьба за ресурсы, часть 1: Основы Cgroups]] |
| + | |||
| + | ===== cgroup v2 ===== | ||
| + | |||
| + | * [[https://pavlokhmel.com/cgroup-v2-limit-memory-and-cpu-usage-for-all-users-on-linux.html|Cgroups v2 - limit memory and CPU usage for all users on Linux]] | ||
| + | |||
| + | <code> | ||
| + | # ###systemd-run --scope -p MemoryMax=1M vim | ||
| + | |||
| + | # lssubsys -a | ||
| + | |||
| + | # systemd-cgls | ||
| + | /apache2 | ||
| + | |||
| + | # cat /sys/fs/cgroup/system.slice/apache2.service/memory.high | ||
| + | |||
| + | # echo 2000000 > /sys/fs/cgroup/system.slice/apache2.service/memory.high | ||
| + | |||
| + | # time curl 127.0.0.1 | ||
| + | |||
| + | # systemctl edit --force --full my.slice | ||
| + | </code><code> | ||
| + | [Unit] | ||
| + | Description=My Slice | ||
| + | Before=slices.target | ||
| + | |||
| + | [Slice] | ||
| + | MemoryAccounting=true | ||
| + | MemoryLimit=64M | ||
| + | MemoryHigh=64M | ||
| + | CPUAccounting=true | ||
| + | CPUQuota=5% | ||
| + | TasksMax=4096 | ||
| + | </code><code> | ||
| + | # systemctl edit apache2.service | ||
| + | </code><code> | ||
| + | [Service] | ||
| + | Slice=my.slice | ||
| + | </code><code> | ||
| + | # systemctl daemon-reload | ||
| + | |||
| + | # systemctl restart apache2.service | ||
| + | |||
| + | # systemd-cgls | ||
| + | /apache2 | ||
| + | |||
| + | # cat /sys/fs/cgroup/my.slice/memory.high | ||
| + | |||
| + | # cat /sys/fs/cgroup/my.slice/cpu.max | ||
| + | </code> | ||
| + | ===== cgroup v1 (Debian10/Ubuntu20) ===== | ||
| <code> | <code> | ||
| Line 12: | Line 62: | ||
| # echo 1M > /sys/fs/cgroup/memory/group0/memory.limit_in_bytes | # echo 1M > /sys/fs/cgroup/memory/group0/memory.limit_in_bytes | ||
| + | или | ||
| + | # echo 512K > /sys/fs/cgroup/memory/group0/memory.limit_in_bytes | ||
| - | # apt install stress | + | # vim anyfile |
| </code> | </code> | ||
технология_cgroup.1512453760.txt.gz · Last modified: 2017/12/05 09:02 by val
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