WordPress Development Recipe: Implementing a secure lock mechanism for multi-worker Cron tasks with WordPress Database Class ($wpdb)
The Problem: Concurrent Cron Execution in a Multi-Worker Environment When developing WordPress plugins that rely on scheduled tasks (cron jobs), a common challenge arises in multi-server or multi-worker environments. If a cron task is designed to run periodically, and multiple WordPress instances or PHP-FPM workers are active, there’s a significant risk of the same cron […]