Stop Parsing Raw Stack Traces: Debugging Virtual Thread Deadlocks with JDK 26 JSON Thread Dumps
Stop Parsing Raw Stack Traces: Debugging Virtual Thread Deadlocks with JDK 26 JSON Thread Dumps If you are still running jstack or grepping through a …
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Mitigating Race Conditions in Distributed Inventory Ledgers
When building a system that tracks highly volatile, mutable data across multiple distinct endpoints, data integrity becomes your highest priority. If …
Resources for Learning to Build Technologies from Scratch with Go: Books and Free Online Courses
Introduction to Building Technologies from Scratch with Go Building technologies from scratch using Go is more than a learning exercise—it’s a gateway…
retry-thread-pool: a retrying executor for Java
Originally published at adrijshikhar.dev . Most retry libraries wrap one call . Fine for a single flaky operation — but when you run a pool of tasks, …
Race-Condition: How a Single SQL Line Eliminated 100 Lines of Retry and Lock Code
hat "rare" bug that looks intermittent but is actually deterministic. It is just waiting for your pods to scale. I recently dealt with a textbook conc…
PHP Fibers in Production: 4 Real Cases Where They Beat curl_multi and Queues
Book: Decoupled PHP — Clean and Hexagonal Architecture for Applications That Outlive the Framework Also by me: Thinking in Go (2-book series) — Comple…
Distributed Lock Alternatives: 3 Methods Every System Architect
When building distributed systems or breaking down an existing monolithic system, managing concurrently accessed shared resources has always been a he…
Rust Concurrency for AI Agents: Managing GPU Inference Slots
Rust Concurrency for AI Agents Five agents. One or two GPUs. Shared VRAM. The Architecture Hand-Rolled mpsc Channels Most agent frameworks use an acto…
SQLite and Concurrency: The Lockout Experienced at islistesi.com
SQLite and Concurrency: The Lockout Experienced at islistesi.com A few weeks ago, the SQLite database I use to ensure data consistency in a production…
Ractors vs Fibers: Ruby Concurrency Without the Hand-Waving
Ruby has had a concurrency story for years. For most of that time, the story was "threads exist but the GIL means they don't give you parallelism for …
The Document Number Is Reserved Before the PDF Exists
The hard part of document numbering is not incrementing an integer. It is deciding what happens when the integer is reserved, rendering starts, and th…
Killing Latency: Why Global Agentic State Requires JEP 401 Value Classes and CvRDTs
Killing Latency: Why Global Agentic State Requires JEP 401 Value Classes and CvRDTs In 2026, if your autonomous agents are still waiting 200ms for a R…
Code Review Horror Stories. Часть 2: API, ошибки и graceful shutdown
Продолжение разбора реального кода с собеседования. В первой части разобрали 8 проблем concurrency и memory: race conditions, утечки горутин, проигнор…
Owned Async Work In TypeScript. Promise.race Does Not Cancel Your Work
Why Promise.race, Promise.all, and async helpers need an ownership model for cancellation, cleanup, and production agent work. Three providers. One wi…
Stop Wasting Tokens: High-Performance Local Re-ranking with Spring AI and JEP 489
Stop Wasting Tokens: High-Performance Local Re-ranking with Spring AI and JEP 489 RAG latency is killing your UX because you’re still piping re-rankin…