cgroups (Control Groups)

What are cgroups (Control Groups)?

--Linux kernel function that limits and isolates the use of process group resources (CPU, memory, disk I / O, etc.) --Technology for grouping and managing processes and threads --A hierarchical structure can be applied to groups, and resource management can be systematically performed.

item Description
cpu CPU usage limit
cpuacct Providing CPU usage statistics
cpuset CPU and memory layout control
memory Memory and swap (Swap) usage
devices Access control for devices
freezer In-group process stop and restart
net_cls Network control
blkio Control of block device input / output amount

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cgroups (Control Groups)
Control CPU usage of processes (groups) (using cgroups)