Post-Mortem Analysis

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.

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.

Mean Time Between Failures

The average time between system failures, measuring reliability and availability.

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.

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

A documented set of procedures for handling routine operations and troubleshooting common issues.

A package manager for Kubernetes that simplifies the deployment and management of applications using charts.

The maximum amount of time a service can be unavailable within a given period based on its SLO.

A system design approach that ensures a certain degree of operational continuity during a given measurement period.

An approach where infrastructure components are never modified after deployment but replaced entirely with updated versions.

The processes and tools for detecting, responding to, resolving, and learning from service disruptions.

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