avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     4.910      0.000     49.680   6843.970      0.000   6401.410 
avg	     0.037      0.000      0.374     51.458      0.000     48.131 
stddev	     0.076      0.000      0.237     24.447      0.000     24.625 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000      0.000      3.000  11513.330     12.000 5802872.340 133764.140  19050.490 227970.810   1837.470  13299.620 
avg	     0.000      0.000      0.023     86.566      0.090  43630.619   1005.745    143.237   1714.066     13.816     99.997 
stddev	     0.000      0.000      0.259     22.690      1.037  11445.025     28.048      3.319    397.664     15.543      0.178