avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.060      0.000    756.170  12495.390      0.000     47.300 
avg	     0.008      0.000      5.685     93.950      0.000      0.356 
stddev	     0.021      0.000      1.685      2.989      0.000      2.007 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1901879.900      9.330  16928.060     37.300 7655840.120 120250.300   9113.290  71946.740   1089.630  12704.410 
avg	     0.000  14299.849      0.070    127.279      0.280  57562.708    904.138     68.521    540.953      8.193     95.522 
stddev	     0.000   4426.088      0.252     31.024      1.008  14165.762     52.237     46.000    380.089      3.639     11.769