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 >> >> > _______________________________________________ >> > freebsd-hackers@freebsd.org mailing list >> > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers >> > To unsubscribe, send any mail to >> "[EMAIL PROTECTED]" >> > >> >> >> > _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"