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126 questions, 454 terms and 400 topics in 20 areas.
5 results for “Redundancy”
Terminology · 3
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Reliability & Resilience
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Distributed Systems
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Performance & Capacity
Redundancy
Having more instances of a component than the load requires, so that failures can be absorbed without loss of service.
Fault Tolerance
Continuing to operate correctly despite the failure of some components, by design rather than by luck.
Hedged Request
Sending a duplicate of a request to a second replica after a short delay and using whichever response returns first, to cut tail latency.