Date: Mon, 16 Apr 2001 17:49:25 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: "Justin T. Gibbs" <gibbs@scsiguy.com> Cc: Matt Dillon <dillon@earth.backplane.com>, Doug Barton <DougB@DougBarton.net>, "'current@freebsd.org'" <current@FreeBSD.ORG> Subject: Re: FW: Filesystem gets a huge performance boost Message-ID: <Pine.BSF.4.21.0104161724210.6152-100000@besplex.bde.org> In-Reply-To: <200104160259.f3G2xqs06321@aslan.scsiguy.com>
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On Sun, 15 Apr 2001, Justin T. Gibbs wrote: > > There's no downside, really. > > It just seems inelegant to have a system that, on paper, is > so inefficient. Can't we do better? Sure. Don't discard buffer contents when recycling a B_MALLOC'ed buffer, but manage it using a secondary buffer cache that doesn't have as much overhead as the primary one (in particular, don't reserve BKVASIZE bytes of kernel virtual address space for each secondary buffer). This would be even more inelegant, and more complicated, but not so inefficient. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the messagehome | help
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