Date: Wed, 22 Mar 2000 12:39:42 -0800 From: Mike Smith <msmith@freebsd.org> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Paul Richards <paul@originative.co.uk>, Richard Wendland <richard@netcraft.com>, Alfred Perlstein <bright@wintelcom.net>, Poul-Henning Kamp <phk@critter.freebsd.dk>, current@FreeBSD.ORG, fs@FreeBSD.ORG Subject: Re: FreeBSD random I/O performance issues Message-ID: <200003222039.MAA00661@mass.cdrom.com> In-Reply-To: Your message of "Tue, 21 Mar 2000 22:17:52 PST." <200003220617.WAA86154@apollo.backplane.com>
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> effects of the I/O being in-progress. If a user program doesn't access > any of the information it recently wrote the whole mechanism winds up > operating asynchronously in the background. If a user program does, > then the write behind mechanism breaks down and you get a stall. What makes no sense is that it should be perfectly ok to _read_ this information back. -- \\ Give a man a fish, and you feed him for a day. \\ Mike Smith \\ Tell him he should learn how to fish himself, \\ msmith@freebsd.org \\ and he'll hate you for a lifetime. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message
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