Date: Fri, 9 Jul 1999 20:41:37 +1200 From: "Dan Langille" <junkmale@xtra.co.nz> To: doc@freebsd.org Subject: Re: Uptime basics!!! Message-ID: <19990709084505.BLEO536080.mta1-rme@wocker>
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I volunteer to update the uptime document. So how do I do that? >On 8 Jul 99, at 19:41, David Greenman wrote: >> Uh, no, that is not what the load average means. The load average is >> a >> composite number that includes both runnable processes and processes >> that are blocked in a short term wait (usually disk I/O). This means >> that for machines that are doing heavy disk I/O, the load average could >> be quite high even when the CPU is 95% idle. On wcarchive, for example, >> the load average typically runs around 40-50 with 50% CPU idle time. >> This may sound high, but there are 38 disk drives on the machine, so >> although the drives are fairly busy, the I/O is spread out over all of >> them - keeping the interactive response time low and overall >> performance quite high. > >Where is this documented? I was trying to locate just this very >information during the past week. Nothing in man uptime. If it belongs >there, I volunteer to update it. How? It should be documented in the man page for 'uptime' and 'w', but I see that 'w' gets it wrong and 'uptime' doesn't say anything. -DG David Greenman Co-founder/Principal Architect, The FreeBSD Project - http://www.freebsd.org Creator of high-performance Internet servers - http://www.terasolutions.com -- Dan Langille - DVL Software Limited The FreeBSD Diary - http://www.FreeBSDDiary.org/freebsd/ NZ FreeBSD User Group - http://www.nzfug.nz.freebsd.org/ The Racing System - http://www.racingsystem.com/racingsystem.htm To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-doc" in the body of the message
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