GOGC, GOMEMLIMIT, and the Write Barrier: How the Go Garbage Collector Really Paces Itself
Ask most Go developers how the garbage collector works and you’ll get one of two answers: “it’s concurrent and low-pause”
Author: teliaz
Your Dependency Tree Is an Attack Surface: Supply Chain Defense for npm and PyPI in 2026
Every `npm install` is an act of trust. You are executing code written by strangers, versioned by strangers, published through
Reading EXPLAIN ANALYZE Like a Planner: A PostgreSQL Field Guide
A slow query arrives. Someone runs EXPLAIN ANALYZE, pastes the output into a search engine, and a verdict comes back:
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The KV Cache: Why LLM Serving Is a Memory Problem
Every LLM serving stack lives or dies by one data structure most developers never see: the KV cache. It is
Continue readingThe KV Cache: Why LLM Serving Is a Memory Problem
Distributed Rate Limiting in Go: Token Buckets, Redis, and the Fail-Open Decision
Rate limiting looks like a solved problem until the day your API runs on more than one machine. The in-memory
Continue readingDistributed Rate Limiting in Go: Token Buckets, Redis, and the Fail-Open Decision
Inside Mixture-of-Experts: Routing, Load Balancing, and Why 671B Parameters Cost 37B
Every modern large language model you use is almost certainly a Mixture-of-Experts model. Mixtral, DeepSeek-V3, GPT-OSS, the latest Kimi and
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The Transactional Outbox in Go: Reliable Event Publishing Without Distributed Transactions
Here is one of the oldest bugs in distributed systems, still shipping to production every week: a service commits a
PostgreSQL Connection Pooling in Go: Sizing pgxpool, Reading Its Stats, and When PgBouncer Earns Its Keep
Every Go service that talks to PostgreSQL ends up managing a pool of database connections, and almost every team gets
Mutation Testing in 2026: Stop Trusting Coverage, Start Killing Mutants
Every test suite has a hidden layer of confidence that coverage numbers never touch. A line can be executed by
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Thinking Inertia: Why LLMs Don’t Stop Reasoning When You Tell Them To
Most teams treat “thinking mode” as a switch. Turn it on and the model reasons through the problem step by
Continue readingThinking Inertia: Why LLMs Don’t Stop Reasoning When You Tell Them To