- A service-level indicator (SLI) is a type of metric that allows us to quantify the perceived quality of the service from the perspective of the end user (for example, metrics such as availability, throughput, and latency). A service-level objective (SLO) is the range of values for some SLIs that allow us to deliver a particular level of service to an end user or customer.
- A service-level agreement (SLA) is an implicit or explicit contract between a service provider and one or more service consumers. The SLA outlines a set of SLOs that have to be met and the consequences (financial or not) for meeting and failing to meet them.
- In a push-based metrics collection system, the metric-producing clients connect to the metrics collection and aggregation service over a TCP or UDP connection and publish their metrics. In a pull-based system, the metrics collection system, at...
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You're reading from Hands-On Software Engineering with Golang
Achilleas Anagnostopoulos has been writing code in a multitude of programming languages since the mid 90s. His main interest lies in building scalable, microservice-based distributed systems where components are interconnected via gRPC or message queues. Achilleas has over 4 years of experience building production-grade systems using Go and occasionally enjoys pushing the language to its limits through his experimental gopher-os project: a 64-bit kernel written entirely in Go. He is currently a member of the Juju team at Canonical, contributing to one of the largest open source Go code bases in existence.
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Achilleas Anagnostopoulos has been writing code in a multitude of programming languages since the mid 90s. His main interest lies in building scalable, microservice-based distributed systems where components are interconnected via gRPC or message queues. Achilleas has over 4 years of experience building production-grade systems using Go and occasionally enjoys pushing the language to its limits through his experimental gopher-os project: a 64-bit kernel written entirely in Go. He is currently a member of the Juju team at Canonical, contributing to one of the largest open source Go code bases in existence.
Read more about Achilleas Anagnostopoulos