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тАО03-12-2010 01:18 AM
тАО03-12-2010 01:18 AM
I want to control de swap at one system. What I have to see exactly in sar -w output to know if the server is swapping?
#sar -w 1 100
HP-UX hpit60 B.11.23 U ia64 03/12/10
10:15:37 swpin/s bswin/s swpot/s bswot/s pswch/s
10:15:38 0.00 0.0 0.00 0.0 4158
10:15:39 0.00 0.0 0.00 0.0 5296
10:15:40 0.00 0.0 0.00 0.0 3664
10:15:41 0.00 0.0 0.00 0.0 3425
10:15:42 0.00 0.0 0.00 0.0 2913
10:15:43 0.00 0.0 0.00 0.0 4932
And what number in each column is the limit to known if the systems is correct o no?
Thanks a lot of!
Carmen.
Solved! Go to Solution.
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тАО03-12-2010 01:31 AM
тАО03-12-2010 01:31 AM
Re: Swap control at system
would like to use "glance" for
also pls. post
#swapinfo -tam
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тАО03-12-2010 02:22 AM
тАО03-12-2010 02:22 AM
Re: Swap control at system
and if you like to use graphical glance use
"gpm"
mikap
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тАО03-12-2010 03:02 AM
тАО03-12-2010 03:02 AM
Re: Swap control at system
To see the swapmemory utilization you need to do
#swapinfo -tam
or
#glance -m
Suraj
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тАО03-12-2010 03:39 AM
тАО03-12-2010 03:39 AM
SolutionModern operating systems use paging instead, so it's possible that the first four data columns in "sar -w" output will always be zeroes.
You should look at the output of "vmstat" instead.
In particular, the number of page-outs (the po column of vmstat) is important: occasional non-zero values (e.g. when large applications are being started) are fine, but if the po column _frequently_ or _always_ has non-zero values, your system is thrashing and will perform badly.
MK