This is the key question 👍. With MariaDB/MySQL the trick is: “high CPU” doesn’t always show up as long queries in PROCESSLIST. Most of the burn comes…

1) Quick definitions (the mental model) 2) How messages land in partitions Rule of thumb: choose a key that spreads load evenly but keeps events for the…

Fault tolerance is a system’s ability to keep meeting its SLOs despite expected failures—machines dying, networks flaking, processes crashing, disks filling—without human intervention. It’s the practical outcome…

Redundancy is the deliberate duplication of critical components or paths so that a failure doesn’t violate your SLOs. Put simply: remove single points of failure (SPOFs) and…

Ansible is an open-source IT automation tool that helps you configure systems, deploy applications, and automate IT tasks such as provisioning, configuration management, application deployment, orchestration, and…

What is the main purpose of NPM? NPM, which stands for Node Package Manager, is a package manager for the JavaScript programming language. Its primary purpose is…

What is the main purpose of python? Python is a versatile and powerful programming language that can be used for various purposes. Some of the main uses…

What is the main purpose of git? Git is a distributed version control system designed to handle everything from small to very large projects with speed and…

What is SRE? SRE (Site Reliability Engineering) is a discipline that incorporates aspects of software engineering and applies them to infrastructure and operations problems. The main goals…