Date: Thu, 21 Dec 1995 09:07:43 +0100 (MET) From: J Wunsch <j@uriah.heep.sax.de> To: joe@ns.via.net (Joe McGuckin) Cc: hackers@FreeBSD.ORG Subject: Re: Need more memory? Message-ID: <199512210807.JAA14210@uriah.heep.sax.de> In-Reply-To: <199512202125.NAA07272@ns.via.net> from "Joe McGuckin" at Dec 20, 95 01:25:31 pm
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As Joe McGuckin wrote:
>
>
> I have a FreeBSD system used as a web server. Response has slowed down
> considerable in recent weeks. It is a 100Mhz Pentium, 32M ram, 1G of disk.
>
> What is a good indication of when you need to add ram.
If your machine has heavy paging activity.
Tools like pstat, vmstat and top might be useful.
(Btw.:
VMSTAT(8) VMSTAT(8)
NAME
vmstat - report virtual memory statistics
...
page Information about page faults and paging activity.
These are averaged each five seconds, and given in
units per second.
re page reclaims (simulating reference bits)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
Shouldn't this be ".if VAX", i thought we do have a reference bit?)
--
cheers, J"org
joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)
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