roman@minty ~ $ docker exec -ti waste-io-example /bin/bash
root@3bd53e4a7fe4:/# 
root@3bd53e4a7fe4:/# iostat -M 1
bash: iostat: command not found

#Oh...damn...iostat would tell us if our IO is sane.
#Ah.../native to the rescue
root@3bd53e4a7fe4:/# iostat -M 1
   tty      ramdisk1        sd0           sd1           sd2            cpu
 tin tout Mps tps serv  Mps tps serv  Mps tps serv  Mps tps serv   us sy dt id
   0  236   0   0    0    0   0    0    2 148    0    2  42    1    4  8  0 89
   0 1214   0   0    0    0   0    0    7 3583    0    0   0    0    9 14  0 77
   0 2100   0   0    0    0   0    0    7 3531    0    5 157    0    7 17  0 77
   0  941   0   0    0    0   0    0    7 3640    0    0   0    0    7 14  0 79