DevOps Glossary

A release management strategy that utilizes two identical production environments (Blue and Green) to reduce downtime and risk by running only one at a time.

A pattern for rolling out new versions of software by first deploying to a small subset of users before rolling it out to the entire infrastructure.

The discipline of experimenting on a software system in production in order to build confidence in the system's capability to withstand turbulent and unexpected conditions.

A design pattern used in software development to detect failures and encapsulate the logic of preventing a failure from constantly recurring during maintenance, temporary external system failure or unexpected system difficulties.

The process of identifying differences between the actual state of infrastructure and its desired state as defined in code (IaC).

An operational framework that takes DevOps best practices used for application development, such as version control, collaboration, compliance, and CI/CD, and applies them to infrastructure automation.

The property of certain operations in mathematics and computer science whereby they can be applied multiple times without changing the result beyond the initial application.

The process of managing and provisioning computer data centers through machine-readable definition files, rather than physical hardware configuration or interactive configuration tools.

The ability to measure the internal state of a system by examining its outputs (logs, metrics, and traces).

A target value or range of values for a service level that is measured by a Service Level Indicator (SLI).