Date: Mon, 24 Apr 2006 20:36:16 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Sam Leffler <sam@errno.com> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org, Mohan Srinivasan <mohans@FreeBSD.org> Subject: Re: cvs commit: src/sys/nfsserver nfsrvcache.h Message-ID: <20060425003615.GA21881@xor.obsecurity.org> In-Reply-To: <444D6D54.1000007@errno.com> References: <200604250021.k3P0LvUZ033748@repoman.freebsd.org> <444D6D54.1000007@errno.com>
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--xHFwDpU9dbj6ez1V Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Apr 24, 2006 at 05:29:08PM -0700, Sam Leffler wrote: > Mohan Srinivasan wrote: > >mohans 2006-04-25 00:21:57 UTC > > > > FreeBSD src repository > > > > Modified files: > > sys/nfsserver nfsrvcache.h=20 > > Log: > > Bump up the NFS server dupreq cache limit to 2K (from 64). With a small > > duplicate request cache, under heavy load a lot of non-idempotent=20 > > requests > > were getting served again, resulting in errors. >=20 > How does increasing the cache size fix this problem? Fundamentally it doesn't, this change just pushes it out of the regime where it's trivial to overflow. Kris --xHFwDpU9dbj6ez1V Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (FreeBSD) iD8DBQFETW7/Wry0BWjoQKURAto3AJsE2kX+sqXFvl6XoTXPWeEwwtBS/wCggFoY 69uBo3D2C8be8scgseVi8m4= =tozq -----END PGP SIGNATURE----- --xHFwDpU9dbj6ez1V--
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