Date: Thu, 03 Mar 2005 17:31:34 +0100 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: "ALeine" <aleine@austrosearch.net> Cc: ticso@cicely.de Subject: Re: FUD about CGD and GBDE Message-ID: <8706.1109867494@critter.freebsd.dk> In-Reply-To: Your message of "Wed, 02 Mar 2005 11:10:16 PST." <200503021910.j22JAGCH081224@marlena.vvi.at>
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In message <200503021910.j22JAGCH081224@marlena.vvi.at>, "ALeine" writes: >Not necessarily, if one were to implement the ideas I proposed >I believe the performance could be kept at the same level as now. I gave up on journalling myself because IMO it complicates things a lot and the problem it solves is very very small. The impact in disk seeks is non-trivial to predict, but it is very hard to argue that it will not lead to an increase in disk seeks. (This is really a variant of the age old argument between jounaling filesystems and "traditional" filesystems) I can only recommend that you try :-) We need more ideas and more people trying out ideas. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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