Date: Sun, 30 Nov 1997 23:14:34 -0800 (PST) From: Tom <tom@uniserve.com> To: Mattias Pantzare <pantzer@ludd.luth.se> Cc: Justen Stepka <jstepka@chaos.winternet.com>, FreeBSD-stable@freebsd.org Subject: Re: CPU Load Message-ID: <Pine.BSF.3.96.971130230820.26183A-100000@shell.uniserve.com> In-Reply-To: <Pine.SUN.3.95.971201010440.8476A-100000@brother.ludd.luth.se>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 1 Dec 1997, Mattias Pantzare wrote: > On Sat, 29 Nov 1997, Justen Stepka wrote: > > > Recently I added memory to my NFS server (dx4-100 now w/ 32 megs of RAM), > > when I did this the overall system preformance increased dramiticly. The > > problem that I noticed was that when using NFS/NIS the CPU load climbs to > > about 4.0+, is there a special reason that this might be happening? > > The load value is not CPU load. It is the average number of processes > ready to run or waiting for disk I/O to complete. No, it is the average number of processes that are ready-to-run. Processes waiting for disk io (or any io) are not ready to run. > So it is normal for a NFS server to have a high load, as it is often > waiting for disk I/O. It is normal for NFS servers to have a low load, because NFS serving is not CPU intensive, and io bound. A load of 4+ for a NFS server is not normal. I would suggest determining which processes are using CPU time. Tom
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.3.96.971130230820.26183A-100000>