ITPUB
Jul 1, 2019 · Big Data
Why Kafka Handles Millions of Writes per Second: I/O Secrets Revealed
This article explains how Kafka achieves ultra‑high throughput by using sequential disk writes, memory‑mapped files, zero‑copy sendfile reads, and batch compression, while also describing its data retention policies and the trade‑offs of synchronous versus asynchronous producer modes.
Memory Mapped Filesbatch compressionhigh throughput
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