Date: Wed, 05 Oct 2011 16:35:43 +1100 From: Lawrence Stewart <lstewart@freebsd.org> To: =?UTF-8?B?RGFnLUVybGluZyBTbcO4cmdyYXY=?= <des@des.no> Cc: hackers@freebsd.org Subject: Re: Does anyone use nscd? Message-ID: <4E8BECAF.8030204@freebsd.org> In-Reply-To: <86sjn84wco.fsf@ds4.des.no> References: <86sjn84wco.fsf@ds4.des.no>
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On 10/05/11 02:20, Dag-Erling Smørgrav wrote: > Does anyone actually use nscd? Yes, particularly for caching LDAP data. > I ask because when I cleaned up a slew of aliasing bugs a couple of > years ago, I believe I may have introduced a bug; I got exactly two > complaints, and neither of the complainants could be bothered to try the > workaround I suggested and report back. I haven't seen these bugs. There is a different bug we hit fairly regularly related to -ve caching. 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... > Although the code quality is atrocious, nscd is actually a pretty good > idea. I suspect the reason why nobody uses it is that it's off by > default and people simply don't know about it. Besides nuking it, which > would be a shame, we have a range of options, from "just fixing the bug > so those who want to use it can" in one end to "finding someone willing > to clean it up and maintain it and enable it by default" in the other. 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. Cheers, Lawrence
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