Date: Wed, 04 Mar 1998 17:35:56 -0800 (PST) From: Simon Shapiro <shimon@simon-shapiro.org> To: Remy NONNENMACHER <remy@synx.com> Cc: hackers@FreeBSD.ORG, Terry Lambert <tlambert@primenet.com> Subject: Re: Disk write caches Message-ID: <XFMail.980304173556.shimon@simon-shapiro.org> In-Reply-To: <Pine.A32.3.91.980304110716.16895C-100000@rs1>
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On 04-Mar-98 Remy NONNENMACHER wrote: ... > Not sure IMHO. Typical wait time before write starts is 20 to 50 ms or > half the internal disk buffers. Far less than sync daemon. Get a caching controller, they start at $250.00 for IDE ones. I measure 2us or less for a cache hit to such controller. I agree that RAID-0 could (should) be viewed as throw away any to the wind in the name of performance. ---------- Sincerely Yours, Simon Shapiro Shimon@Simon-Shapiro.ORG Voice: 503.799.2313 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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