Gunnar Morling • 11/3/2025

"You Don't Need Kafka, Just Use Postgres" Considered Harmful

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This article critiques the common online advice to use PostgreSQL instead of Apache Kafka for messaging or queuing needs. It explains that Kafka and Postgres are designed for fundamentally different purposes, and using Postgres as a queue can lead to performance issues like MVCC bloat and WAL problems. The author advocates for choosing the right tool based on the specific technical problem, rather than following overly simplistic trends.

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#postgres #Kafka #Stream Processing
"You Don't Need Kafka, Just Use Postgres" Considered Harmful

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