avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.410      0.000     81.010    551.810      0.000   1766.720 
avg	     0.017      0.000      3.375     22.992      0.000     73.613 
stddev	     0.021      0.000      0.738      7.164      0.000      7.775 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000     19.390      0.670   2334.270      2.670 1063854.390  21859.970   3811.320  39715.250    250.870   2375.450 
avg	     0.000      0.808      0.028     97.261      0.111  44327.266    910.832    158.805   1654.802     10.453     98.977 
stddev	     0.000      0.739      0.134     16.762      0.534   7730.049      7.709     28.460    343.197      1.682      3.449