👋 Hey there! I’m Evgenii.

In today’s digital landscape, personalization is no longer a luxury – it’s an expectation. From movie streaming services suggesting your next binge-watch to e-commerce platforms highlighting products you might love, recommender systems are the invisible engines driving user engagement and satisfaction[cite: 1, 477].

Ensuring the stability of services in high-scale production environments is one of the most critical aspects of building reliable software systems.

When working with MySQL databases, it’s crucial to have a set of tools and queries at your disposal to diagnose issues, monitor performance, and ensure everything is running smoothly.

What is lsyncd? #Lsyncd watches a local directory trees event monitor interface (inotify or fsevents). It aggregates and combines events for a few seconds and then spawns one (or more) process(es) to synchronize the changes.