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On 29/05/07, Paul <bsdlist@cogeco.ca> wrote: > At 04:45 PM 28/05/2007, Chris wrote: > >On 28/05/07, Paul <bsdlist@cogeco.ca> wrote: > >> > >> > > >> >I will run tests on a local box but I cant be toggling the kernels on > >> >my production servers. > >> > > >> >Thanks > >> > > >> >Chris > >> > >>Hi Chris, > >> > >>So have you removed the QUOTA feature from your production boxes? I > >>am curious what you did here to get things working on the stable 6.2? > >> > >>I am amazed more people are not having an issue with this. > >> > >>Thanks > >> > >>Paul > >> > >no I use QUOTA but put up with the performance hit, all my production > >servers are dual core now and new ones will be core 2 duos so I work > >round it with raw power, also using SATA hds instead of PATA. I dont > >use QUOTA on every single server tho, just the commercial web servers. > > > >Chris > > Thanks for your reply. > > That is odd as I used two Dual Core CPUS (4 in total) XEON 64 with 16 > GIG of RAM and SATA HD on the amd64 branch with a very fast Areca > controller and the hit was so bad that the system was not usable at > all. It was like going back to a 386 (or beyond that). > > Did you provide any mail services on that server? I have a hunch it > was the multiple instant access to many files that was causing the > slowdown (50-100 of small file reads and writes per second). If you > only provided FTP type access then that may not have been as big of > an issue as you may not have had as many concurrent file writes. > > Thanks > > Paul > > email/www/ftp all provided using a commercial control panel solution to manage it all, but the commercial servers are a mix of light to medium users and I dont think anyone is stressing the email systems a lot, they all do anti spam and anti virus as well on emails. I have one server that is very heavy usage but has QUOTA disabled as its dedicated to one domain only and not needed to use hd quotas. Chris _______________________________________________ freebsd-smp@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-smp To unsubscribe, send any mail to "freebsd-smp-unsubscribe@freebsd.org"