PostgreSQL MVCC in Production: Dead Tuples, Autovacuum, and the Bloat-Wraparound Trade
Ask a PostgreSQL database administrator what kills databases in production and you’ll hear about wraparound — the event where a
Author: teliaz
Tokio Internals: Cooperative Budgets, Wakers, and the Polling Policies That Keep Tasks Fair
Every Tokio application eventually meets the same mystery: a task that looks harmless in code review brings an entire runtime
The Definitive Guide to Local LLM Inference on Mac: Why Your Machine Is Slow and the Six Fixes That Work
Every Mac owner who has run a local LLM knows the feeling: the model downloads fine, the first answer looks
Prometheus Cardinality: Why Your TSDB Is Drowning and How to Stop It
Eventually the alert fires at 3 a.m.: your Prometheus is consuming more memory than the database it monitors, queries that
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Continuous Batching: The Scheduling Trick Behind Every Fast LLM Server
Every team that serves language models eventually hits the same wall: the GPU has plenty of memory and the model
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OAuth for CLIs and SPAs in 2026: PKCE, Loopback Redirects, and the RFC 9700 Checklist
If you shipped a CLI tool or a single-page app in the last few years, you have probably implemented “OAuth”
Inside the Event Loop: epoll, kqueue, and io_uring — Why Your Runtime Still Uses Readiness Notifications
Every high-concurrency server you have ever deployed eventually bottoms out at the same place: a call that says “tell me
Eventual Consistency in Practice: Session Guarantees, Read-Your-Writes, and Bounded Staleness
Replica lag is one of those distributed-systems facts everyone accepts in the abstract and nobody plans for in the code.
Structured Logging in Go: A Practical slog Field Guide
Every codebase has a logging moment of reckoning. It arrives when someone has to debug a production incident at 2
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Secrets Management Beyond .env Files: Vault, External Secrets, and CI Hygiene
Every codebase that touches a database, an S3 bucket, or a third-party API has secrets, and every team eventually learns
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