Word
replica set
Definition
compound. a group of identical copies of a computer program or database running at the same time. If one copy fails, the others keep working so the service stays online.
compound. a group of identical instances of a software component or database maintained across multiple nodes to ensure high availability and fault tolerance. Typically managed by a controller that automatically replaces any instance that fails or becomes unresponsive.
Examples
“The system uses a replica set to prevent data loss.”
“To ensure the website stayed online during the update, the engineers configured a replica set of three database nodes.”
“By maintaining a distributed replica set, the architecture achieves high availability, as the orchestrator can instantly spin up new containers to replace those that fail health checks.”
Examples
simple
“The system uses a replica set to prevent data loss.”
contextual
“To ensure the website stayed online during the update, the engineers configured a replica set of three database nodes.”
complex
“By maintaining a distributed replica set, the architecture achieves high availability, as the orchestrator can instantly spin up new containers to replace those that fail health checks.”
Usage
Commonly used in the context of cloud computing, container orchestration, and distributed databases.
Etymology
A compound of the noun replica, derived from the Italian replica meaning a repetition or reply, and the noun set, from the Old English settan. The term emerged as a standard designation within distributed systems and container orchestration to describe a group of redundant instances.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Domain
Scan code
englishreference.com/q/replica-set