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тАО03-12-2009 02:06 AM
тАО03-12-2009 02:06 AM
i need to analize the output of this command on my system.
# swapinfo -tam
Mb Mb Mb PCT START/ Mb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 8192 2748 5444 34% 0 - 1 /dev/vg00/lvol2
reserve - 5375 -5375
memory 12078 6464 5614 54%
total 20270 14587 5683 72% - 0 -
vmstat -S 3 3
procs memory page faults cpu
r b w avm free si so pi po fr de sr in sy cs us sy id
5 0 0 4821570 686283 309740 309740 1 1 0 0 7 1823 100889 6878 38 22 40
5 0 0 4821570 686518 0 0 0 0 0 0 0 2950 50966 7840 57 9 34
5 0 0 4821570 686210 0 0 0 0 0 0 0 2698 36462 7881 58 9 33
In thys system there is:
15,4 Gb di ram total Sys Mem : 2.5gb User Mem: 8.8gb Buf Cache: 1.5gb Free Mem: 2.6gb
In the vmstat -s output how i analize the column free si so pi po ?
Why with 2,6 Gb free i had swap activity?
This Swap activity is more Hard ?
Swapinfo give me info about swap device but not in real time! how can see the Swapping in real time?
Solved! Go to Solution.
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тАО03-12-2009 02:46 AM
тАО03-12-2009 02:46 AM
Re: Swap Problem?
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тАО03-12-2009 02:52 AM
тАО03-12-2009 02:52 AM
Re: Swap Problem?
po = 1
At the same time did you check the top output
Check top output
Memory: 305144K (196052K) real, 581204K (392064K) virtual, 426960K free
Here we are having 426960K free.
What does it show on your server ??
What is your OS version ??
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тАО03-12-2009 03:14 AM
тАО03-12-2009 03:14 AM
Re: Swap Problem?
Memory: 9220804K (9158480K) real, 19461232K (19322660K) virtual, 2573272K free Page# 1/7
I have Hpux 11.11
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тАО03-12-2009 04:06 AM
тАО03-12-2009 04:06 AM
SolutionI don't think it exists something on HP-UX to monitor swap in real time.
To understand better how to read vmstat it's the best thing to see the man page of vmstat which is pretty detailed, I see also an example on using vmstat -S in the EXAMPLES section.
Anyway could you clear why you need to monitor swap in real time? From the output of swapinfo -tam I cannot see any problem with swap, of course we see that a swapping phase was there from last boot probably because the system was highly loaded for awhile and physical memory was not enough but if the systems has currently 2,6 Gb Free Mem I wouldn't be worried.
Best regards,
Fabio
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тАО03-12-2009 10:58 AM
тАО03-12-2009 10:58 AM
Re: Swap Problem?
I see no problems right now. vmstat shows very few pages outs. But there is 2 Gb actually used.
>Fabio: I don't think it exists something on HP-UX to monitor swap in real time.
glance should help.
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тАО03-17-2009 03:52 AM
тАО03-17-2009 03:52 AM