Tag
performance
2 notes tagged performance.
Database indexing and query diagnosis
How B-tree, hash, composite, covering, and partial indexes differ, why composite column order decides whether an index is used, and how to diagnose an endpoint with a high P95.
Process vs. thread, and where Node fits
Why isolation and shared memory are different trade-offs, and how Node's single-threaded event loop and worker_threads actually relate to that choice.