Date: Fri, 26 May 2006 12:41:09 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: etalk etalk <yanyuejin2004@hotmail.com> Cc: freebsd-fs@freebsd.org, freebsd-fs-request@freebsd.org, freebsd-performance-request@freebsd.org Subject: Re: about ufs filesystem io performance! Message-ID: <20060526123847.D18347@fledge.watson.org> In-Reply-To: <BAY23-F25A6C1C72A6A467DD410D9BB9E0@phx.gbl> References: <BAY23-F25A6C1C72A6A467DD410D9BB9E0@phx.gbl>
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On Fri, 26 May 2006, etalk etalk wrote: > b. Is Bsd6.0 make improvement in file system io performance when comparing > to Bsd5.3? I can't speak to (a), but I can say that FreeBSD 6.x is often significantly faster for file system performance, especially on SMP. This is because the Giant lock no longer covers the UFS file system. My recommendation would be to use FreeBSD 6.1 in preference to earlier 5.x or 6.x releases. While it is a recent release, it is also very promising, as it reflects a significant refinement on the 6.0 release, with important stability and performance improvments in many areas. It is the right baseline to measure and optimize from. Robert N M Watson
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