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C

Canary testing:
- at Google, using a subset of real traffic to test the production performance of a new version
  - https://sre.google/workbook/canarying-releases/
- Elsewhere: serving a release to a predefined test population, as opposed to A/B which is statistics-based
Compute Engine instance: a VM hosted on Google's infrastructure
- Includes GKE clusters, AppEngine flexible environment instances, and other products build on Compute Engine VMs.
Cascading Failures: when one component fails to work, and alternate systems pick up the load, then get overwhelmed too.
- Protect with degraded results, load shedding, graceful degradation
CFE = Cloud Front End.
- Customer equivalent of GFE.
CNCF = Cloud Native Computing Foundation
Correlated Failures: when related items fail simultaneously
- Reduce impact by containerizing apps and implementing microservices that can run on multiple platforms. Ideally multi-zone or multi-region.