Blog
3 postsNotes on the things I break and then fix.
- When AI teaches itself: self-learning LLMs and recursive self-improvementHow LLMs improved their own training loops in 2026, and where they still get stuck.Sep 2026
- Load balancers: L4 vs L7, hashing, and health checksHow balancers pick backends, what L4 and L7 each touch, and how health checks and failover keep dead servers out of rotation.Sep 2026
- How the OS runs your backend: processes, scheduling, and memoryContext switches, CFS scheduling, virtual memory, file descriptors, and why epoll replaced thread-per-connection.Sep 2026