Gunnar Morling • 11/3/2025

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

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This article critiques the popular trend of advising developers to use Postgres instead of Kafka for messaging or queuing needs. It argues 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 post advocates for choosing the right tool for the job based on the specific technical requirements.

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#postgres #Kafka #Event Streaming
"You Don't Need Kafka, Just Use Postgres" Considered Harmful

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