Date: Mon, 3 Apr 2006 23:36:39 +1000 From: Norberto Meijome <freebsd@meijome.net> To: usleepless@gmail.com Cc: Miguel <mmiranda@123.com.sv>, freebsd-questions@freebsd.org Subject: Re: terrible performance in 6.1beta4 Message-ID: <20060403233639.21a65930@localhost> In-Reply-To: <c39ec84c0604030618s475606fela22c091ea5ce7cf3@mail.gmail.com> References: <442B2FC6.9040001@123.com.sv> <20060403225821.45fcc26e@localhost> <c39ec84c0604030618s475606fela22c091ea5ce7cf3@mail.gmail.com>
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On Mon, 3 Apr 2006 15:18:02 +0200 usleepless@gmail.com wrote: > Beto, > > i believe he has given up. > :( without knowing WHAT is the problem? > i would say that on a dedicated database machine 50-75% > dedicated(shared) memory is not overkill. of course not. I am not sure I read his vmstat screenshot right, but it seemed to me that the box was using a lot of disk, but had lots of free memory - i.e., it was probably just reading the data and the disks maxed out? Miguel, what does gstat show ? (it'll show the % busy of each device in GEOM , which also includes non-RAID devices, so it's quite useful) > > wasn't there some other switch which determined wether to page > shared-memory out? i dont actually recall - my DB project had to be put on hold about 75% ready for prod, trying to get back onto it soon.
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