Backend engineering articles on distributed systems, databases, caching, and system design.
A deep dive into MongoDB’s transaction model in WiredTiger: MVCC, snapshot isolation, update chains, and how it contrasts with lock-free hazard pointer and skip list concurrency in memory.
How MongoDB's WiredTiger storage engine achieves lock-free reads and writes using hazard pointers, skip lists, and atomic CAS operations.
Deep dive into MongoDB cache thrashing, WiredTiger memory behavior, working sets, and how poor memory locality can silently destroy database performance.
Deep dive into MongoDB write concern, journaling, oplog replication, and why acknowledged writes may still be vulnerable depending on configuration.
A complete collection of 20 deep dives into Node.js internals, event loop mechanics, concurrency, and real-world performance scaling.