AI engineering glossary · MLOps, LLMOps cloud

What is HA (high availability)?

High availability (also called HA): Designing a system to keep working through failures of individual parts by running redundant copies, usually across several machines or data centres, with automatic failover. It is measured by uptime targets such as 99.9%.

Level: intermediateTopic: MLOps, LLMOps cloud

High availability: an example

A service runs on three servers in two zones so that losing one machine or zone does not stop it.

Related terms

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Where you learn it

High availability is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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