avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.670      0.000   1020.820  12081.550      0.000   6894.930 
avg	     0.013      0.000      5.104     60.408      0.000     34.475 
stddev	     0.039      0.000      4.650     14.555      0.000     13.218 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257831.000    504.000   4343.000  22147.100 1048696.000 11273005.230 193684.180  28665.660 228944.230   1608.850  20000.310 
avg	  1289.155      2.520     21.715    110.735   5243.480  56365.026    968.421    143.328   1144.721      8.044    100.002 
stddev	  3797.734     14.639     64.026     32.401  15441.584  16533.223    143.097      1.714    277.786      1.808      0.076