Microservices enable a fine-grained control over the cloud applications that they constitute and thus became widely-used in the industry. Each microservice implements its own functionality and communicates with other microservices through language- and platform-agnostic API. The resources usage of microservices varies depending on the implemented functionality and the workload. Continuously increasing load or a sudden load spike may yield a violation of a service level objective (SLO). To characterize the behavior of a microservice application which is appropriate for the user, we define a MicroService Capacity (MSC) as a maximal rate of requests that can be served without violating SLO.
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Jindal et al. (2019) studied this question.
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