Service level indicator
Measure of service quality From Wikipedia, the free encyclopedia
In information technology, a service level indicator (SLI) is a measure of the service level provided by a service provider to a customer. SLIs form the basis of service level objectives (SLOs), which in turn form the basis of service level agreements (SLAs);[1] an SLI can be called an SLA metric (also customer service metric, or simply service metric).
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Though every system is different in the services provided, often common SLIs are used. Common SLIs include latency, throughput, availability, and error rate; others include durability (in storage systems), end-to-end latency (for complex data processing systems, especially pipelines), and correctness.[1]
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