avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     1.820      0.000     83.730   8104.530      0.000   5109.980 
avg	     0.014      0.000      0.630     60.936      0.000     38.421 
stddev	     0.043      0.000      0.261     19.468      0.000     19.502 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000 1343153.000     43.000  13358.000    172.000 5425400.000 111492.420  19074.040 192394.610   1353.230  13300.800 
avg	     0.000  10098.895      0.323    100.436      1.293  40792.481    838.289    143.414   1446.576     10.175    100.006 
stddev	     0.000   3170.189      0.484     19.605      1.934   4980.188    157.606      0.990    199.351      1.307      0.069