Date: Thu, 6 Dec 2007 03:40:46 -0800 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: Eugene Grosbein <eugen@kuzbass.ru> Cc: Patrick van Iersel <pviersel@office.caiw.nl>, freebsd-stable@freebsd.org Subject: Re: Extreme load with local password db lookups Message-ID: <20071206114046.GA78813@eos.sc1.parodius.com> In-Reply-To: <20071206112207.GA74486@svzserv.kemerovo.su> References: <C37D8F8E.39687%pviersel@office.caiw.nl> <20071206112207.GA74486@svzserv.kemerovo.su>
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On Thu, Dec 06, 2007 at 06:22:07PM +0700, Eugene Grosbein wrote: > On Thu, Dec 06, 2007 at 11:37:50AM +0100, Patrick van Iersel wrote: > > > Here's the situation. We have an web/ftp server with around 74000 users > > defined in the local unix password database. On 4.9-stable which it is > > running now, there is no noticable load when lookups are done (logins via > > ftp, ~user lookups from apache etc.). We want to migrate this system to > > 6-stable. > > However on 6-STABLE (FreeBSD 6.3-PRERELEASE #0: Wed Dec 5 13:35:05 CET > > 2007) these same lookups cause very high load and things slow down to a > > crawl. > > > > Does anybody have an idea what causes this behavior? > > > > Thanx in advance for any insights. > > Take a look to your /etc/nsswitch.conf. If you do not use NIS, > try to change lines for 'group' and 'passwd' to look like this: > > group: files > passwd: files The default value is "compat" on both RELENG_6 and RELENG_7. I don't think switching to "files" will fix his problem (I'll be very surprised if it does). -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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