Tag
canary
- Jul 23, 2025 Weighted Canary Routing at the Edge and What the Weight Measures Whether a traffic weight applies to connections, requests, or users, how hashing turns percentages into fixed partitions, and why small canaries cannot resolve small error differences. devops
- 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
- May 28, 2025 Staged Rollout Cohorts and What Halt Actually Does How a percentage rollout maps devices to cohorts, why halting stops new adoption but not installed copies, and what the store can and cannot undo after a release is live. mobile computing
- Apr 27, 2025 Session Affinity, Sticky Routing, and Version Overlap How affinity keeps a client on one instance, why it biases a canary sample, and what has to be true of the session payload and its keys for a pinned session to survive promotion. devops
- Apr 28, 2023 Shadow Traffic: Duplicating Requests to a Candidate Without Serving Them How a serving stack runs a candidate model on a copy of live requests, what the duplication costs at the proxy, and why the comparison it produces is weaker evidence than it looks. inference systems
- 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