avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.450      0.000    114.890   8981.370      0.000   4203.370 
avg	     0.003      0.000      0.864     67.529      0.000     31.604 
stddev	     0.010      0.000      0.329     20.372      0.000     20.576 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000    580.990     36.000   6634.610    144.000 2471062.810 102047.060   1114.820  22030.360   1137.970   5224.530 
avg	     0.000      4.368      0.271     49.884      1.083  18579.420    767.271      8.382    165.642      8.556     39.282 
stddev	     0.000      3.576      0.461     38.061      1.844   9693.058    167.793     13.916    263.066      5.472     23.848