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# 1  
Old 09-14-2006
Sun 9
Pages In always high 900, SD1 busy all the time.


New to Sun os is this normal?


Thanks
# 2  
Old 09-15-2006
Run iostat to find out which disk is busy. You can refer to this page for details on how to identify bottlenecks.
# 3  
Old 09-15-2006
iostat
tty sd0 sd1 sd3 sd4 cpu
tin tout kps tps serv kps tps serv kps tps serv kps tps serv us sy wt id
1 35 0 0 1 64 5 69 0 0 0 0 0 0 5 3 6 87


sd1

root volume
# 4  
Old 09-15-2006
r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 c0t0d0
0.0 6.9 0.0 53.6 0.2 0.4 25.4 61.9 1 10 c1t0d0


The disk is always around 10% busy,

Pages in always around 900,

I have read if disk activity is around 10% that would cause a bottle.

Thanks
McTolle
Last edited by blowtorch; 09-17-2006 at 11:04 AM..
# 5  
Old 09-15-2006
At a guess, your system is doing a lot of swapping...vmstat may turn out to be more useful.
 
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