Date: Sat, 08 Dec 2007 22:04:22 -0800 From: Doug Barton <dougb@FreeBSD.org> To: Jeremy Chadwick <koitsu@FreeBSD.org> Cc: Eugene Grosbein <eugen@kuzbass.ru>, Patrick van Iersel <pviersel@office.caiw.nl>, freebsd-stable@FreeBSD.org Subject: Re: Extreme load with local password db lookups Message-ID: <475B8566.2050008@FreeBSD.org> In-Reply-To: <20071207074910.GA2404@eos.sc1.parodius.com> References: <4758DCDA.ED9F0C56@kuzbass.ru> <C37EB875.397C1%pviersel@office.caiw.nl> <20071207074910.GA2404@eos.sc1.parodius.com>
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Jeremy Chadwick wrote: > On Fri, Dec 07, 2007 at 08:44:37AM +0100, Patrick van Iersel wrote: >>> From: Eugene Grosbein <eugen@kuzbass.ru> >>> See http://www.freebsd.org/cgi/query-pr.cgi?pr=75855 >>> It seems the regression from RELENG_4 is still here. >>> >>> There are so many regressions in performance that I still >>> prefer to invest time to patch bsd.ports.mk to support 4.x >>> (and have a success, I use fresh ports with 4.x these days) >>> then upgrade my UP boxes to 6.x and suffer from loss of performaince. >> For what it's worth, Eugene's suggestion of changing nsswitch.conf actually >> helps. It was mentioned in the PR above as well. It's still a workaround but >> it works good enough for me now. > > I stand corrected. :-) The PR referenced by Eugene is dead on. The > priority on that PR should really be changed to medium or high, because > the impact is major. I'm sure large hosting/shell providers are being > bitten by this. My nsswitch.conf looks like the following. Do you get the same benefit (faster lookups) by commenting out the _compat methods, or only if you change group and passwd to 'files'? Doug group: compat #group_compat: nis hosts: files dns networks: files passwd: compat #passwd_compat: nis shells: files services: compat #services_compat: nis protocols: files rpc: files -- This .signature sanitized for your protection
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