Subject
3 entries
Reliability
Bookmarks
Guardrails: Adding Structure and Validation to LLM Outputs
Guardrails adds structural and semantic validation to LLM outputs — defining schemas for what the model should return and automatically retrying or correcting when outputs don't conform. An early solution to LLM output reliability before JSON mode and structured outputs became standard.
Testing Distributed Systems
A curated list of resources on testing distributed systems — covering Jepsen, TLA+, chaos engineering, simulation testing, and formal verification. The most comprehensive reference starting point for this notoriously hard problem.
How Multi-Disk Failures Happen
SysAdmin1138's analysis of how multi-disk failures actually happen in RAID arrays — debunking the assumption that independent failure is the norm. The real failure modes are correlated: same-batch drives, vibration propagation, and recovery-induced failures.