podman性能对比
1. 使用containerd启动103 个容器 nerdctl run -d busybox "top"
[root@localhost home]# nerdctl ps|wc -l
103
[root@localhost home]# free -h
total used free shared buff/cache available
Mem: 3.6G 2.8G 238M 17M 566M 538M
Swap: 3.7G 32M 3.7G
2. podman run -d busybox "top" 启动103个容器
[root@localhost home]# podman ps |wc -l
103
[root@localhost home]# free -h
total used free shared buff/cache available
Mem: 3.6G 1.2G 1.7G 23M 695M 2.1G
Swap: 3.7G 0B 3.7G
3. docker run -d busybox "top" 启动103个容器
[root@localhost ~]# docker ps|wc -l
103
[root@localhost ~]# free -h
total used free shared buff/cache available
Mem: 3.6G 2.0G 523M 18M 1.1G 1.3G
Swap: 3.7G 0B 3.7G
[root@localhost ~]# docker version 20.10.13