Mean Time Between Failures

DevOps

A set of practices combining software development and IT operations to shorten the development lifecycle and deliver continuous value.

CI/CD Pipeline

An automated workflow that builds, tests, and deploys software changes from development to production.

Build Automation

The process of automating the compilation, testing, and packaging of software applications.

Artifact Repository

A centralised storage system for managing binary artifacts produced during the software build process.

ChatOps

A collaboration model connecting tools, processes, and automation with team chat platforms for operations management.

Post-Mortem Analysis

A structured review conducted after an incident to identify root causes and prevent recurrence.

Blameless Culture

An organisational approach where incident reviews focus on systemic improvements rather than individual blame.

Mean Time to Recovery

The average time it takes to restore a system to normal operation after a failure or incident.

Service Level Objective

A target value for a service level indicator that defines acceptable service performance.

Service Level Indicator

A quantitative measure of some aspect of the level of service being provided.

Playbook

A comprehensive guide containing strategies, procedures, and best practices for managing specific operational scenarios.

Rolling Update

A deployment strategy that gradually replaces instances of the previous version with the new version.

A configuration management tool using Ruby-based scripts to automate infrastructure setup and maintenance.

Adding more machines or nodes to a system to handle increased load.

The process of reverting a system to a previous version or state after a failed deployment or update.

A discipline applying software engineering principles to infrastructure and operations to create scalable, reliable systems.

Maintaining two identical production environments to enable instant switching between versions.

A design approach where a system continues to operate with reduced functionality when components fail.

Quantitative measurements collected over time to track system performance, health, and business outcomes.

An open-source automation tool for configuration management, application deployment, and task automation.