Date: Mon, 18 Aug 1997 07:17:29 -0400 (EDT) From: Thomas David Rivers <ponds!rivers@dg-rtp.dg.com> To: ponds!root.com!dg, ponds!freefall.cdrom.com!freebsd-hackers, ponds!lakes.dignus.com!rivers Subject: Re: "rm" speeds (2.1.7.1 vs. 2.2.1) Message-ID: <199708181117.HAA04607@lakes.dignus.com>
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> > > Again, f.y.i. - this is a 486dx66 with 24meg of RAM, a typical IDE > >drive (1+gig)... The 2.2.1 kernel has NBUF defined at 128; to see > >if that's the problem... where the 2.1.7 kernel was from the boot floppy > >off of a 2.1.7 CDROM. > > That is the problem. Take out the NBUF= thing from your kernel config file > and rebuild/install the kernel. A system with 24MB of RAM will have about > 600 buffers if it is allowed to dynamically calculate the amount. > What's happening is that the directory is getting pushed out of the cache, > forcing the system to re-read much of it and the inode blocks each time. > > -DG > > David Greenman > Core-team/Principal Architect, The FreeBSD Project > I'll give it a try! Thanks for pointing it out.. I've still got a directory to try it on - the box has been working overnight (about 9+ hours now) trying to delete it... - Dave Rivers -
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