Linux Load Averages: Solving the Mystery
Brendan Gregg
AUGUST 8, 2017
The version of this on [ietf.org] links to a PDF scan of a hand drawn load average graph from July 1973, showing that this has been monitored for decades: source: [link]. Latency was acceptable and no one complained. not blocked for I/O) waiting for the CPU. Nowadays, the source code to old operating systems can also be found online.
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