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тАО01-20-2010 10:54 AM
тАО01-20-2010 10:54 AM
disk que
Average c2t0d0 17.01 8.13 36 853 19.63 12.55
Average c0t0d0 24.51 6.78 44 952 17.45 14.42
See pls find the avg of the sar -d out put of one day..
My server is havig some performance issue and looking into it.
It seems the avserv is almost 14 and the avque is almost 8 .
This is for the VG00 disks. Not the applcication VG disks.
Do you see any bottle neck on the local disks...
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тАО01-20-2010 11:03 AM
тАО01-20-2010 11:03 AM
Re: disk que
For performance issue you need to check so many things some of are
Check what are the application is running?
how much physical memory your server have?
which process is taking more memory?
how much swap memory you have?
Suraj
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тАО01-20-2010 11:31 AM
тАО01-20-2010 11:31 AM
Re: disk que
seems some disk bottle neck..
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тАО01-20-2010 12:06 PM
тАО01-20-2010 12:06 PM
Re: disk que
%busy seems ok.
check command top
and vmstat -n
post results here.
The important question would be, what kind of performance issue. What application ?
is the whole system affected ?
since when is hte system with this issue ?
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тАО01-20-2010 01:10 PM
тАО01-20-2010 01:10 PM
Re: disk que
VM
memory page faults
avm free re at pi po fr de sr in sy cs
19778984 5713012 1042 230 13 0 0 0 0 51441 767348 30307
CPU
cpu procs
us sy id r b w
23 18 59 31 45 0
25 14 61
25 14 60
26 15 60
33 14 53
32 14 54
32 14 54
31 17 51
31 19 51
32 17 50
33 17 50
35 16 49
32 15 53
30 15 55
31 15 54
31 15 54
29 15 55
29 16 55
5 3 93
30 16 55
28 16 56
29 16 55
4 3 93
29 16 55
27 17 56
28 16 56
4 2 94
29 16 55
29 17 55
29 17 54
4 3 93
28 19 53
It seems falts are there more
Faults
in sy cs
51441 767348 30307
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тАО01-20-2010 01:11 PM
тАО01-20-2010 01:11 PM
Re: disk que
what is this pac-cli process..
CPU TTY PID USERNAME PRI NI SIZE RES STATE TIME %WCPU %CPU COMMAND
29 ? 19477 root 241 20 36996K 15832K run 8028:36 95.67 95.50 pac-cli
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тАО01-20-2010 01:18 PM
тАО01-20-2010 01:18 PM
Re: disk que
execute the following command:
top
let it run for a while
post results.
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тАО01-20-2010 01:22 PM
тАО01-20-2010 01:22 PM
Re: disk que
it is used to anilze your system in our case I think it was gathering info on our SAN performance.
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тАО01-20-2010 02:01 PM
тАО01-20-2010 02:01 PM
Re: disk que
the performance metric gatherer is causing the performance problem..
kill it.. ;)
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тАО01-20-2010 05:20 PM
тАО01-20-2010 05:20 PM
Re: disk que
try to stop this process and see the performance.
Is it running everytime for once in a while.
BR,
Kapil+