Uptime: 8:09pm up 20:15, load average: 0.20, 0.04, 0.01
When I go into weblet and look at the http://192.168.2.1/cgi-bin/viewsys I see the line above at the top of the page. Can anyone tell me how to interpret the "load average: 0.20, 0.04, 0.01" portion of this? I have no idea what these numbers mean. If anyone could point me to somewhere that explains these numbers that would be great.
I wish I could. (I wish *anyone* could.)
These numbers are "explained" in the man page for "uptime". Unfortunatly, the explanation there consists of the following: "the system load averages for the past 1, 5, and 15 minutes". Helps a lot, eh?
My best understending of these numbers is that they report the average number of processes waiting for some resource (that is, blocked) over the past 1, 5, and 15 minutes. If my understanding is correct, these numbers are in most instances not all that useful, and they are especially useless for routers (which do most of their important work within the kernel ... an old showboat fiddle with a Linux router was to show that it would continue to route even after a "halt" command had executed (in those days, systems didn't automatically power down)).
In most settings (single-purpose systems like routers, as well as workstations and servers), I find CPU load (the percentages reported by "top") a better indicator of system load. Since I don't use the weblet, I don't know where (or even whether) it reports this information. If it does not report it, perhaps it should.
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