avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     6.690      0.000   1415.820   2121.860      0.000  14255.640 
avg	     0.038      0.000      7.954     11.921      0.000     80.088 
stddev	     0.037      0.000      4.583      6.431      0.000     10.082 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	258074.000    792.540   4100.000  36669.510 1048696.000 18645427.860 174635.760  25591.820 113427.660    787.550  17800.620 
avg	  1449.854      4.452     23.034    206.008   5891.551 104749.595    981.100    143.774    637.234      4.424    100.003 
stddev	  4527.378     25.980     71.964     42.662  18402.022  21625.258    115.390      1.452     88.078      0.441      0.066