Mostafa Abdelraouf shares the journey of evolving Instacart's Rails application beyond a single Postgres instance. He discusses how they managed the added complexity from adding read replicas, and later vertically and horizontally sharding, and also touched on the topics of query routing, connection pooling, and load balancing at Instacart's scale.

#railsatscale #postgres #sharding

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Stay tuned: all 2024 Rails World videos will be subtitled in Japanese and Brazilian Portuguese soon thanks to our sponsor Happy Scribe, a transcription service built on Rails. https://www.happyscribe.com/

Rails World 2024