From 1 to 100k Users: Lessons Learned from Scaling a Haskell App

Explore the challenges and solutions in scaling Haskell applications in this 21-minute conference talk by Felix Miño at Lambda Days 2024. Discover specific hurdles unique to Haskell as the speaker shares valuable lessons from scaling an application to 100,000 users. The presentation covers critical areas including database performance optimization, bottleneck identification, and fixing inefficient data structures. Learn about addressing Haskell's memory management reputation, particularly regarding memory leaks, and understand when to reconsider laziness in favor of strictness for performance gains. This practical talk provides insights for developers looking to scale their Haskell applications efficiently while working toward ambitious scaling goals.