grcon

README

grcon

grcon is a lightweight resource virtualization tool for linux processes. grcon is one-binary.

It is an implementation of rcon with golang.

build

build

make docker
make mod_init
make mod_download
make build

build packages and release

make crossbuild

usage

 ./grcon --h
Usage of ./grcon:
  -command string
        exec command
  -cpu int
        cpu limit(%) (default 30)
  -group string
        cgroups path (default "grcon")
  -memory int
        memory limit(bytes) (default 536870912)
  -user string
        exec username

## cpu example

#### no limit

- command

yes >> /dev/null

- cpu usage

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2591 kunit 20 0 98.6m 616 524 R 99.9 0.1 1:42.42 yes

#### limitting cpu 10%

- command

sudo ./grcon --user kunit --command "yes >> /dev/null" --cpu 10

- cpu usage limitted 10% by grcon

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2689 kunit 20 0 98.6m 616 524 R 10.0 0.1 0:00.66 yes

## References

- https://github.com/matsumotory/rcon
- https://github.com/containerd/cgroups