WordPress Development Recipe: Implementing a secure lock mechanism for multi-worker Cron tasks with WordPress Settings API
The Problem: Concurrent Cron Execution in Distributed WordPress Environments In a typical single-server WordPress setup, cron jobs are straightforward. WordPress’s built-in `wp_cron()` function handles scheduled tasks. However, as WordPress deployments scale to multiple web servers (e.g., behind a load balancer), a critical issue arises: multiple servers might simultaneously trigger the same scheduled event. This can […]