$ pdsh vmstat 1 2
192.168.1.4:  procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu-----
192.168.1.4:   r  b swpd   free   buff  cache    si   so   bi    bo    in   cs us sy  id wa st
192.168.1.4:   1  0    0 30198704 286340 751652   0    0    2     3    48   66  1  0  98  0  0
192.168.1.250: procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu-----
192.168.1.250:  r  b swpd   free   buff  cache    si   so   bi    bo    in   cs us sy  id wa st
192.168.1.250:  0  0    0 7248836  25632  79268    0    0   14     2    22   21  0  0  99  0  0
192.168.1.4:    1  0    0 30198100 286340 751668   0    0    0     0   412  735  1  0  99  0  0