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Implementing service-level objectives to improve software quality

Dynatrace

In this example, “Reverse proxy” and “Front-end server” are clearly in the critical path. According to Google’s SRE handbook , best practices, there are “ Four Golden Signals ” we can convert into four SLOs for services: reliability, latency, availability, and saturation. Define SLOs for each service.

Software 259
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Site reliability done right: 5 SRE best practices that deliver on business objectives

Dynatrace

At the lowest level, SLIs provide a view of service availability, latency, performance, and capacity across systems. It detects regressions and deviations from previously observed behavior across metrics such as latency, traffic, error rates, saturation, security coverage, vulnerability risk levels, and memory consumption.

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Lessons learned from enterprise service-level objective management

Dynatrace

In their new dashboard, they added dimensions for load, latency, and open problems for each component. To ensure their global service levels, they fully embraced the best practices outlined in Google’s SRE handbook , called the “Four Golden Signals,” to standardize what they show on their SRE dashboards. Saturation.