teliaz – Page 12 – WorthPosting

epoll Under the Hood: How Linux Event Loops Actually Work

Every high-concurrency network server on Linux eventually converges on the same bottleneck: not CPU, not memory, but the question of

When a popular npm package turns malicious, the window between publication and detection is measured in hours, and the first

What the borrow checker actually enforces, what Rust’s memory model promises, and which patterns — RefCell, Mutex, ownership restructuring — resolve the common contention points. … Continue readingThe Rust Borrow Checker Demystified: Aliasing, Memory Model, and When to Fight Back

Solve the dual-write problem with one extra table and SKIP LOCKED: a working Go implementation of the transactional outbox, plus the delivery-semantics gotchas that bite in production. … Continue readingThe Transactional Outbox Pattern: Reliable Events Without Distributed Transactions

Every go process you ship is quietly running a second program: the garbage collector. It shares your heap, pauses your

Your service was up 99.95% of the time last month. Great number — until you realize that users filed complaints

Every API that returns a list eventually has to answer the same question: how do you hand out a million

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Watch a GPU while a large language model generates text and you’ll see something strange: for most of every forward

Most breaches involving secrets do not involve sophisticated attacks. They involve a credential that was committed to a git repository

Every slow query investigation eventually reaches the same moment: you run EXPLAIN ANALYZE, and the plan makes no sense. Postgres