Date: Wed, 05 Oct 2011 10:39:53 +0200 From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no> To: Lawrence Stewart <lstewart@freebsd.org> Cc: hackers@freebsd.org Subject: Re: Does anyone use nscd? Message-ID: <86ipo3hlwm.fsf@ds4.des.no> In-Reply-To: <4E8BECAF.8030204@freebsd.org> (Lawrence Stewart's message of "Wed, 05 Oct 2011 16:35:43 %2B1100") References: <86sjn84wco.fsf@ds4.des.no> <4E8BECAF.8030204@freebsd.org>
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Lawrence Stewart <lstewart@freebsd.org> writes: > If the machine running nscd loses connectivity with the DNS server for > a while and does a DNS lookup during that time, nscd will cache the > -ve reply indefinitely for all users, which breaks all sorts of > crap. Have to forcibly run "nscd -I all" to fix. I will find and fix > this bug one day if noone beats me to it... Definitely a bug, nscd is only supposed to cache negative responses for 60 seconds. I hope you find the time to track it down :) Is it 100% reproducable? How long does the DNS server have to be unreachable before it happens? > I'd like to see it stay in base. Moving it (slowly) towards a point > where we can turn it on by default would be cool. Agreed, in principle. DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no
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