Date: Tue, 9 May 2000 22:06:22 +0200 (CEST) From: Andrzej Bialecki <abial@webgiro.com> To: seva@mtelecom.ru Cc: freebsd-hackers@freebsd.org Subject: Re: what is /etc/[s]pwd.db stay for? Message-ID: <Pine.BSF.4.20.0005092157190.99125-100000@mx.webgiro.com> In-Reply-To: <Pine.BSF.4.01.10005091856540.14288-100000@gw2>
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On Tue, 9 May 2000, Vsevolod Semenov wrote: > > pw showuser shows user tens times slowly then > grep user /etc/[master.]passwd DB files provide you with already parsed and indexed information, more suitable for use in API. grep can't perform many operations from getpw* family... also, the library routines getpw* would have to parse /etc/passwd each time you call them... Try to increase hashsize when using pw and related utilities. It makes a real difference in speed for large user databases. > > pwd_mkdb can't create [s]pwd.db files for 1000000 users. I believe we still have a limit of 65535 user ids in many places in the system, although uid_t is in fact u_int32_t. Or...? > > what reason to use db stuff in libc/gen/getpwent.c? Speed and efficiency :-) Andrzej Bialecki // <abial@webgiro.com> WebGiro AB, Sweden (http://www.webgiro.com) // ------------------------------------------------------------------- // ------ FreeBSD: The Power to Serve. http://www.freebsd.org -------- // --- Small & Embedded FreeBSD: http://www.freebsd.org/~picobsd/ ---- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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