avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.490      0.000    216.890   6672.230      0.000  13108.390 
avg	     0.012      0.000      1.084     33.361      0.000     65.542 
stddev	     0.040      0.000      0.517      9.798      0.000     10.026 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257488.360    153.000   4557.150  21586.120 1048182.020 11034927.430 193362.360  28636.390 231509.670   1636.820  19999.370 
avg	  1287.442      0.765     22.786    107.931   5240.910  55174.637    966.812    143.182   1157.548      8.184     99.997 
stddev	  3546.476      2.512     66.009     32.493  14442.802  16624.243    150.765      1.791    271.596      1.865      0.105