avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     7.630      0.000    292.290   7497.690      0.000  12202.470 
avg	     0.038      0.000      1.461     37.488      0.000     61.012 
stddev	     0.063      0.000      0.638      9.341      0.000      9.498 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	255653.000    168.000   6510.000  21803.670 1048652.000 11142308.710 192499.740  28636.920 232278.400   1619.100  20000.710 
avg	  1278.265      0.840     32.550    109.018   5243.260  55711.544    962.499    143.185   1161.392      8.096    100.004 
stddev	  3932.595      2.454    110.460     32.865  16155.675  16819.180    182.316      1.788    312.574      2.042      0.077