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scheduling

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Methodologies

Carbon-aware scheduling by default: first balance

Carbon aware scheduling delivers savings in proportion to how much of your workload can move in time or geography. If under 20 percent of it is elastic, cluster-wide gains stay modest. Deferrable jobs do best, cutting carbon intensity 15 to 30 percent: nightly batch, model training, CI builds and tests, report generation, video rendering.

6 min 269 4.3
Architecture

Kubernetes 1.30: The Improvements Operators Actually Appreciate

Kubernetes 1.30, released in April 2024, brings ValidatingAdmissionPolicy to general availability, eliminating the need for external webhooks for CEL-based admission policies. It adds pod scheduling readiness to control when a pod enters the scheduling cycle, and job success policy to define which index combination counts as success in distributed indexed Jobs.

5 min 202 4.4