Бюджет 999: как в Авито считают надёжность и почему не копируют модель Google
Привет, Хабр! Меня зовут Иван Тарасов , я TUL Architecture Governance в техплатформе Авито . Одна из моих команд — SLA — создаёт условия для повышен…
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DORA metrics + SLOs without external infrastructure: a Cloudflare Workers approach
You do not need Prometheus, a metrics SaaS, or a dedicated observability stack to run DORA-style delivery metrics and service-level objectives. On C…
Error Budget Policies That Hold Leadership Accountable
Error budgets are useless without a policy. 'We're out of error budget' should trigger consequences. If it doesn't, you don't have an error budget —…
Service Level Objectives for Complex Microservices
Why SLOs Break in Microservices A SLO that works for a monolith often collapses when you distribute the same logic across 30 services. The math of a…
SLOs That Product Managers Actually Understand
The SLO Translation Problem You define an SLO: 99.95% availability with p99 latency under 200ms. Engineering loves it. Product managers glaze over.…
SLO as Code — нельзя верить людям
Всем привет, меня зовут Вячеслав, я Team Lead SRE в Купере. Рассказ в этой статье пойдет о том, как мы внедряли SLO , чего достигли и какие лайфхаки…
Choosing Your First SLI: A Decision Framework for New SRE Teams
New SRE teams ask the same question: what should we measure first? The temptation is to track everything CPU, memory, latency, error rate, queue dep…
Error Budget Policies That Hold Leadership Accountable
Error budgets are useless without a policy. 'We're out of error budget' should trigger consequences. If it doesn't, you don't have an error budget —…