Offload Blocking Work to a Vert.x Worker Verticle
Keep Vert.x event loops responsive by moving blocking I/O to a dedicated worker verticle pool.
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javaRun Blocking Code in Vert.x Without Stalling the Event Loop
Blocking the Vert.x event loop with JDBC or file I/O destroys throughput. Learn when to use worker verticles and how to size the worker pool.
Offloading CPU-Bound Tasks in Node.js using worker_threads
Learn how to use node:worker_threads to prevent CPU-intensive tasks from blocking the Node.js event loop, ensuring your network services remain responsive under load.
nodejsWhen to Offload to Worker Threads in Node.js: A Practical Guide
A concise guide to offloading CPU‑heavy work in Node.js with worker_threads: when to use them, how to set up communication, a worked example, and the key trade‑offs to consider.
Diagnosing and Fixing Vert.x Event‑Loop Starvation
When a Vert.x event‑loop stalls, latency spikes, timeouts, and "Thread blocked for … ms" logs appear. This guide walks you through spotting the symptoms, running a step‑by‑step diagnosis, fixing common blocking patterns, and knowing when to raise the issue.
Keeping Node.js HTTP Endpoints Responsive with a Bounded worker_threads Pool
A CPU-bound transform can block the Node.js event loop and stall every request. This note covers the smallest suitable worker_threads design, message trust boundaries, and operational checks.
Diagnosing Vert.x 'Thread blocked' Warnings from BlockedThreadChecker
Learn how to spot Vert.x BlockedThreadChecker warnings, tell event‑loop from worker blocks, diagnose the cause, apply fixes, and know when to escalate.
Diagnosing Carbon Event Manager Loop Failures in Legacy macOS Apps
A diagnostic guide to Carbon Event Manager event-loop failures in legacy macOS apps: match freeze and dropped-event symptoms to mask, dispatch, and handler-registration causes, then verify with timed Apple-event delivery.
carbonWhere to Run Blocking Work in Vert.x: executeBlocking vs Worker Verticles
Vert.x gives you two supported places to run blocking code: executeBlocking and worker verticles. How they differ, when each fits, and how to verify the thread handoff.