avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.620      0.000     71.670   1869.650      0.000  11355.160 
avg	     0.027      0.000      0.539     14.058      0.000     85.377 
stddev	     0.059      0.000      0.443      5.613      0.000      5.866 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1550702.580     53.000  14399.920    212.000 6268303.170 117795.710   3605.620  35211.280   1304.910  13293.010 
avg	     0.000  11659.418      0.398    108.270      1.594  47130.099    885.682     27.110    264.746      9.811     99.947 
stddev	     0.000   3001.972      0.561     25.766      2.245  11808.842    177.680      7.979    102.245      2.665      0.205