InfoQ - Event Store - News https://www.infoq.com InfoQ Event Store News feed Reddit Migrates Comment Backend from Python to Go Microservice to Halve Latency https://www.infoq.com/news/2025/11/reddit-comments-go-migration/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=Event+Store-news <img src="https://res.infoq.com/news/2025/11/reddit-comments-go-migration/en/headerimage/generatedHeaderImage-1763831457503.jpg"/><p>Reddit has rebuilt its core backend, migrating Comments, Accounts, Posts, and Subreddits from a legacy Python monolith to Go microservices. The migration improves performance, halves critical write latency, and modernizes the platform for future scalability while preserving correctness across multiple datastores.</p> <i>By Leela Kumili</i> Low Latency Reliability Domain-Driven Design Python Memcache Redis Postgres Model Go Language migration Performance Microservices ORM Event Store Caching Architecture & Design Development news Fri, 28 Nov 2025 15:00:00 GMT https://www.infoq.com/news/2025/11/reddit-comments-go-migration/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=Event+Store-news Leela Kumili 2025-11-28T15:00:00Z /news/2025/11/reddit-comments-go-migration/en