Date: Sat, 20 Feb 1999 21:50:51 +0000 (GMT) From: Doug Rabson <dfr@nlsystems.com> To: Matthew Jacob <mjacob@feral.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Panic in FFS/4.0 as of yesterday - update Message-ID: <Pine.BSF.4.05.9902202145390.82049-100000@herring.nlsystems.com> In-Reply-To: <Pine.LNX.4.04.9902201303080.31494-100000@feral-gw>
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On Sat, 20 Feb 1999, Matthew Jacob wrote: > > As of the last set of fixes that added some more splbio protection, the > testing has gone a lot better. Many thanks. Now I'll start raising the bar > from 9GB filesystems to > 100GB filesystems with larger blocksizes (unless > someone says "No! No! Don't do that!") Its good that your panic seems to have been addressed but I can't see any quick solutions for the responsiveness problem. It appears to be a combination of the way that BSD looks up pathnames and the lack of any mechanism from stopping writer processes from monopolising the i/o queues. -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 442 9037 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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