“The many load averages of Unix(es). It turns out that the meaning of ‘load average’ on Unixes is rather…

"The many load averages of Unix(es). It turns out that the meaning of 'load average' on Unixes is rather more divergent than I thought it was. So here's the story as I know it." +Chris Siebenmann, thanks for this, very interesting.

It turns out that the meaning of ‘load average’ on Unixes is rather more divergent than I thought it was. So here’s the story as I know it. In the beginning, by which I mean 3 BSD, the load average counted how many processes were runnable or in short term IO wait (in a decaying average).