avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     2.890      0.000   1000.740   7198.150      0.000  11798.240 
avg	     0.014      0.000      5.004     35.991      0.000     58.991 
stddev	     0.040      0.000      4.245      9.528      0.000      8.889 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	257828.000    477.000   4346.000  21760.530 1048696.000 10968621.870 191599.000  28666.540 230961.050   1614.310  19999.520 
avg	  1289.140      2.385     21.730    108.803   5243.480  54843.109    957.995    143.333   1154.805      8.072     99.998 
stddev	  3690.511     13.846     63.308     29.834  15009.919  15055.156    140.276      1.867    241.332      1.516      0.106