Ilya Grigorik·2015·VelocityIlya Grigorik explains what HTTP/2 actually changes on the wire — multiplexing, prioritisation, server push — and which old optimisations you should stop doing.
Brendan Gregg·2015·VelocityBrendan Gregg's tour of the Linux observability toolbox — what each tool measures, when to reach for it, and a methodology for going from 'it's slow' to a real answer.
Richard Cook unpacks his classic essay live: there is no root cause, safety is something people continuously create, and catastrophe is the alignment of many small latent failures.
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