From: Young (yssong66@gmail.com)
Date: Mon Nov 27 2006 - 14:28:22 EST
Hi,
I have a Sun Fire 480R with 4 CPUs & 8GB RAM on which I'm seeing the
following vmstat output that I collected by running it at every 2 second. My
analysis is that I have enough CPU power as well as memory power. Also, not
much IO. (I didn't check NIC performance but I doubt it's causing this) Then
would it be purely the application that may cause no CPU idling?
procs memory page disk faults cpu
r b w swap free re mf pi po fr de sr s0 sd sd sd in sy cs us sy
id
2 0 0 30100464 5389112 3 471 8 0 0 0 0 0 0 0 0 533 50122 633 98 2
0
2 0 0 30100592 5389232 0 186 0 0 0 0 0 0 0 0 0 469 53663 519 98 2
0
2 0 0 30101384 5390016 0 4 8 0 0 0 0 0 0 0 0 481 44540 505 98 2
0
2 0 0 30097680 5386312 0 422 4 0 0 0 0 0 0 0 1 512 56729 559 98 2
0
0 0 0 30096088 5384720 0 0 0 0 0 0 0 0 0 0 0 562 36334 645 99 1
0
1 0 0 30096736 5385368 0 108 0 0 0 0 0 0 0 0 0 630 36212 775 98 2
0
2 0 0 30095592 5384208 283 113 1392 0 0 0 0 0 0 0 0 735 36298 857 97 3
0
In case it helps, I'm adding my "top" output as well:
last pid: 17397; load averages: 3.78, 4.72, 5.48
11:26:09
190 processes: 185 sleeping, 1 running, 4 on cpu
CPU states: 0.6% idle, 98.1% user, 1.2% kernel, 0.0% iowait, 0.0% swap
Memory: 8192M real, 5261M free, 1495M swap in use, 29G swap free
PID USERNAME LWP PRI NICE SIZE RES STATE TIME CPU COMMAND
12297 oracle 1 0 0 940M 908M cpu/3 33:10 24.11% oracle
10698 oracle 1 0 0 943M 910M cpu/0 96:07 23.87% oracle
16989 oracle 1 0 0 944M 911M run 64:13 23.80% oracle
4981 oracle 1 59 0 940M 904M cpu/2 51:41 16.26% oracle
17387 oracle 1 59 0 938M 904M sleep 0:38 4.27% oracle
Thank you for your help in advance!
- Young
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