Btw, what is page replacement algorithm that used by FreeBSD...sorry I'm
newbie..LRU or another algorithm?


> Running out of memory and having to continually swap things in and out
> of ram degrades performance, yes. Page faults are simply how the
> virtual memory subsystem gets things done, like pulling things out of
> swap.
>
> --Doug
>
> On Nov 7, 2007 7:48 PM, binto <[EMAIL PROTECTED]> wrote:
>> Btw
>>
>> Even page fault isn't a terrible thing, but she could make
>> trashing condition..that can degrade CPU utilization, am i correct?
>>
>>
>>
>>
>>
>>
>> > On 11/6/07, binto <[EMAIL PROTECTED]> wrote:
>> >>
>> >> I just wanna know,
>> >> how to reduce the number of page faults to upgrade program or OS
>> >> performance?
>> >> is there any parameters that i must set if i reduce the number of
>> page
>> >> fault?
>> >
>> >
>> > Don't forget that some amount of page faults are normal consequences
>> of
>> > using a machine with virtual memory. Page faults alone are not an
>> > indicator
>> > that you're out of memory or suffering in any way, they just mean that
>> > something was requested in vm that wasn't actually in ram, and needed
>> to
>> > be
>> > loaded. Ask 'swapinfo' or 'top' to see if you might possibly benefit
>> from
>> > more ram by reducing paging.
>> >
>> > --Doug
>>
>> > _______________________________________________
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>> > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
>> > To unsubscribe, send any mail to
>> "[EMAIL PROTECTED]"
>> >
>>
>>
>>
>


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