Date: Thu, 01 May 2003 22:53:16 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Fred Clift <fclift@verio.net> Cc: Heiko Schaefer <hschaefer@fto.de> Subject: Re: gbde data corruption? Message-ID: <3314.1051822396@critter.freebsd.dk> In-Reply-To: Your message of "Thu, 01 May 2003 14:52:14 MDT." <20030501143456.T43897-100000@vespa.dmz.orem.verio.net>
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In message <20030501143456.T43897-100000@vespa.dmz.orem.verio.net>, Fred Clift writes: >On Tue, 29 Apr 2003, Heiko Schaefer wrote: > >> hm... cpu seems to be not the limiting factor at all - that machine has an >> athlon 1800+ and is idle >>50% most of the time. without understanding the >> technical details, it seems to me that working on bigger chunks of the >> disc at a time would result in much more throughput. > >So how are you measuring cpu? I seem to remember that system load average >and stats as reported by top dont include a good chunck of code executed >by the kernel - some does and some doesn't. Run "top -S" and look for something like this: 503 root -8 0 0K 12K g_bde 0:04 0.00% 0.00% g_bde ad0s1f. -- 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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