avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     6.320      0.000    239.960  16672.970      0.000   3080.740 
avg	     0.032      0.000      1.200     83.365      0.000     15.404 
stddev	     0.057      0.000      0.733     25.086      0.000     24.781 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	254279.000   2043.000   7911.000  18914.860 1048760.000 8506136.400 171143.150  25350.490 238590.580   1863.960  19998.910 
avg	  1271.395     10.215     39.555     94.574   5243.800  42530.682    855.716    126.752   1192.953      9.320     99.995 
stddev	  4211.990     21.714    133.410     29.141  17380.562  12765.141    201.836     26.090    464.769      2.600      0.091