Date: Thu, 26 Nov 1998 07:42:56 -0800 From: Mike Smith <mike@smith.net.au> To: "Kenn Martin" <kmartin@infoteam.com> Cc: "FreeBSD Stable List" <freebsd-stable@FreeBSD.ORG> Subject: Re: NFS_SMALLFH Message-ID: <199811261542.HAA03767@dingo.cdrom.com> In-Reply-To: Your message of "Thu, 26 Nov 1998 09:53:37 EST." <199811261452.JAA27739@calumet.infoteam.com>
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> On Thu, 26 Nov 1998 01:22:22 -0800, Mike Smith wrote: > > >> After a cvsup, buildworld, installworld, kernel config/make/install, > >> I now get this at boot: > >> > >> FreeBSD 2.2.7-STABLE #0: Thu Nov 26 01:42:07 EST 1998 > >> ... > >> struct nfsnode bloated (> 256bytes) > >> Try reducing NFS_SMALLFH > >> nfs_nhinit: bad size 268 > >> > >> > >> I was able to grep this define in the code, but why should I have to > >> change it as it appears to be using the default of 64? > > > >Grr. I didn't notice this when testing (but it's there in the log). > > > >This is the NFS accelerator stuff bloating the nfsnode (it's fully > >packed out already). > > > >Can I have a judgement call on this - do we want the NFS performance > >enhancement in 2.2.8? If so, what's the best way to avoid the > >structure bloat (which is bad?) > > I would like to see the performance enhancement, but would have to > look at the code to offer any suggestions. Please do; the issue is that if an NFS file handle larger than NFS_SMALLFH is returned there is alternative code which needs to manage the handle. If you can try reducing NFS_SMALLFH to 56 in sys/nfs/nfsproto.h and do some NFS testing against a server in v3 mode, that would be appreciated. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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