Architecture
Why UUIDv7 Beats UUIDv4 for Database Primary Keys
Learn how UUIDv7 fixes B-tree index fragmentation, cuts write amplification, and keeps distributed ID generation fast in modern databases.
Topic
System Design
A collection of essays to explore, one idea at a time.
Essays
Newest first
Backend
Stop Cache Stampede: Protect Your DB from Thundering Herd
Learn how to prevent cache stampedes and the thundering herd problem using mutex locks, stale-while-revalidate, and XFetch to safeguard your database.