Scaling
Infinite scale with Ruby on Rails and PostgreSQL sharding
Every rails app with enough growth will eventually hit the point where the database can no longer be vertically scaled. Learn how to use sharding on UUIDs to grow beyond one database with ease.
ReadReduce Ruby memory with Jemalloc
Everyone knows Ruby can be a memory hog, however, you can reduce memory consumption significantly by switching Ruby's default malloc (memory allocator) to Jemalloc.
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