I would just bump the ram to 2gigs or 4 if it supports it and call it good. You should be fine.
On Thu, Oct 1, 2009 at 8:58 AM, Bill Moran <wmo...@potentialtech.com> wrote: > In response to Dan Nelson <dnel...@allantgroup.com>: > > > In the last episode (Oct 01), Bill Moran said: > > > bsd <b...@todoo.biz> wrote: > > > > I have a FBSD 6.4p7 box that I use as a mail server - 1Go RAM - RAID1 > > > > Works quite well. > > > > > > > > As I plan to put 100 more mail accounts soon on the server I was > > > > wondering if the memory & swap was ok on the server considering these > > > > figures: > > > > > > > > last pid: 18956; load averages: 0.04, 0.11, 0.05 up 19+08:36:23 > 09:53:38 > > > > 125 processes: 1 running, 124 sleeping > > > > CPU: 0.0% user, 0.0% nice, 1.5% system, 0.4% interrupt, 98.1% > idle > > > > Mem: 499M Active, 70M Inact, 362M Wired, 41M Cache, 111M Buf, 20M > Free > > > > Swap: 2000M Total, 160M Used, 1840M Free, 8% Inuse > > > > > > > > Though It looks good to me - the server swaps a bit (between 8 to > 14%) > > > > and there is not much memory left. > > > > > > Looks like the server would run more smoothly with a bit more RAM. At > > > least an additional 256M, I would think, but considering the price of > RAM, > > > you might as well just up it to 2G. > > > > The amount of used swap is much less important than whether you are > actively > > swapping (if there are In/Out values on the Swap line in top, or if > "vmstat > > 1" shows nonzero values in the pi/po columns). 160MB of used swap is > fine > > if it's just unused daemons (getty, idle webserver, etc). More memory > can > > never hurt, but it doesn't seem like it's urgently needed here. > > I don't know about that, Dan. Especially considering it's a mail server > he's talking about, there's no RAM left for disk cache on that machine. > > We've seen performance gains on our mail server by putting obscene > amounts of RAM into it. After a bit of use, FreeBSD ends up having 6.5G > of inactive RAM, which I assume is cache of mailboxes. The result is that > while watching gstat, the amount of disk reads is very low (since a lot > of data is already in RAM) and the IO is available to do fast writes when > new mail comes in. > > -- > Bill Moran > http://www.potentialtech.com > http://people.collaborativefusion.com/~wmoran/ > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscr...@freebsd.org" > -- Who knew _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
