03、cannot allocate memory

错误：OCI runtime create failed: container_linux.go:349: starting container process caused “process_linux.go:297: applying cgroup configuration for process caused \”mkdir /sys/fs/cgroup/memory/docker/4bec466902b1b7f5ca9427c45d78b3560a95cfb53427c2dc5a8308850819ed5e: cannot allocate memory\””: unknown

几个命令查看cgroup数量

#查看所有的docker创建的cgroup
find /sys/fs/cgroup/memory -type d ! -path '/sys/fs/cgroup/memory/docker*'
#cgroup数量
cat /proc/cgroups | grep memory
#