performance problem,please help me to analy!

weixin_38049216 2004-06-10 11:06:06

bash-2.05# iostat -x 5 5
               extended device statistics
device    r/s w/s kr/s kw/s wait actv  svc_t  %w  %b
dad0       0.0 0.1 0.0 3.2  0.0  0.0 10.4 0 0
dad1       11.1 29.2  727.0 1609.0  2.8  0.4 80.6  19  22
fd0       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
sd0       0.0 0.0 0.0 0.0  0.0  0.0 0.1 0 0
nfs1       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
               extended device statistics
device    r/s w/s kr/s kw/s wait actv  svc_t  %w  %b
dad0       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
dad1       50.9 97.2 4330.2 4380.7 16.2  2.0  122.8 100 100
fd0       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
sd0       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
nfs1       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
               extended device statistics
device    r/s w/s kr/s kw/s wait actv  svc_t  %w  %b
dad0       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
dad1       46.6 99.4 3499.4 5445.3 19.1  2.0  144.8 100 100
fd0       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
sd0       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
nfs1       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
               extended device statistics
device    r/s w/s kr/s kw/s wait actv  svc_t  %w  %b
dad0       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
dad1       50.4 80.4 3662.4 3862.5 17.8  2.0  151.3 100 100
fd0       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
sd0       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
nfs1       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
               extended device statistics
device    r/s w/s kr/s kw/s wait actv  svc_t  %w  %b
dad0       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
dad1       50.0 90.8 3852.7 4034.5 14.0  2.0  113.6 100 100
fd0       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
sd0       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
nfs1       0.0 0.0 0.0 0.0  0.0  0.0 0.0 0 0
bash-2.05#

大家看看,这个系统的瓶颈在哪?

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