Every go process you ship is quietly running a second program: the garbage collector. It shares your heap, pauses your
Continue readingGo Memory Management Under the Hood: Allocator, Stacks, Escape Analysis, and GC
Your service was up 99.95% of the time last month. Great number — until you realize that users filed complaints
Continue readingSLOs and Error Budgets in Practice: Building Reliability You Can Alert On
Every API that returns a list eventually has to answer the same question: how do you hand out a million
Watch a GPU while a large language model generates text and you’ll see something strange: for most of every forward
Continue readingSpeculative Decoding: Getting 2-3x More Out of Every GPU Pass
Most breaches involving secrets do not involve sophisticated attacks. They involve a credential that was committed to a git repository
Continue readingSecrets Management in Practice: From Hardcoded Credentials to Short-Lived Identity
Every slow query investigation eventually reaches the same moment: you run EXPLAIN ANALYZE, and the plan makes no sense. Postgres
Continue readingReading EXPLAIN ANALYZE: Why Postgres Ignores Your Index
Your CPU does not read single bytes. It moves memory between caches in fixed-size blocks called cache lines — 64
Continue readingFalse Sharing in Go: How 64-Byte Cache Lines Slow Down Race-Free Code
Every API you ship is a promise. Clients hardcode your URLs, parse your field names, and schedule work around your
Continue readingAPI Versioning Strategies: Path vs Header, Calendar Dates, and Graceful Sunsets
Your webapp has a feature where users can attach an image by URL. A user submits https://example.com/logo.png and the backend
Continue readingSSRF: The Vulnerability That Turns Your Server Against Its Own Network
Every schema migration tool will happily tell you how to change a table. Almost none of them will tell you
Continue readingZero-Downtime Database Migrations: Expand-Contract, Backfills, and Locks