Tag
error-budgets
- Jan 20, 2026 Error Budgets and the Burn Rate That Consumes Them How an error budget turns a service level objective into a spendable quantity, and how the burn rate compresses a window into a single number that can be compared against a threshold. observability
- Jun 25, 2025 Canary Promotion as a Repeated Statistical Test A canary compares a small exposed fraction against the incumbent, which means the promotion rule is a hypothesis test run many times, and its false-positive rate depends on how often it is evaluated. inference systems
- Apr 18, 2022 Service Level Objectives for a Platform, Not for a Service A platform SLO measures whether tenants can get work done, not whether a component is up. How to define the request journey, choose indicators that tenants feel, and handle the shared-dependency problem. virtualization
- Apr 12, 2022 Canary Releases and the Statistics of Deciding to Promote How traffic is split between two versions without a shared load balancer, why the promotion decision needs a sample-size calculation, and what a canary cannot detect at any sample size. virtualization