avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     3.270      0.000    115.350   3501.220      0.000  16180.180 
avg	     0.017      0.000      0.583     17.683      0.000     81.718 
stddev	     0.050      0.000      0.373      8.157      0.000      8.457 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	221246.620 246804.560   4862.120   4640.650 904435.000 1006014.580  97575.140     49.010    610.060    333.600   2015.750 
avg	  1117.407   1246.488     24.556     23.438   4567.854   5080.882    492.804      0.248      3.081      1.685     10.181 
stddev	  4054.422    504.039     93.846     16.659  16577.896   2054.575    140.775      0.719      1.932      0.923     24.407