avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.050      0.000   2616.070   1412.610      0.000   9268.300 
avg	     0.023      0.000     19.670     10.621      0.000     69.686 
stddev	     0.032      0.000     13.409      8.873      0.000     17.220 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1046362.000     67.000  28875.000    268.000 4299508.000  35074.280   2537.620  11912.780    298.020   7243.200 
avg	     0.000   7867.383      0.504    217.105      2.015  32327.128    263.716     19.080     89.570      2.241     54.460 
stddev	     0.000   6602.825      0.515    198.309      2.059  25870.948    263.688     24.563    162.004      2.223     41.481