Why Kafka Moves Data Fast
A five-minute system-design lecture uses spare animated diagrams to explain sequential I/O and zero copy.
By @ByteByteGo for ByteByteGoRuns 05:02
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Why it works
The lecture defines what fast means by 0:25, then limits its answer to two mechanisms at 0:56. Simple pictures precede the dense transfer diagram, and the most-replayed 2:25–2:28 span shows a concrete HDD/SSD cost and capacity tradeoff; the absence of music is also praised in a top comment.
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Tagged live actiontechnical explainersystem designdiagram animationpresenter insetwhite backgroundstep revealdata flow
