[KongchangAI]
ConceptBlue-green Deployment / 蓝绿切换

Blue-Green Deployment

A software deployment strategy that maintains two complete production environments simultaneously—blue for the current version and green for the new version—and switches traffic between them via a load balancer. This approach enables fast rollback but carries relatively high resource costs.

Timeline (last 90 days)

Oct 12

Blue-green deployment in the vector retrieval scenario means that while the old index continues to serve, all vectors are fully built in another set of indexes under the new model identity, and after validation metrics are met the query routing is switched atomically, falling back to the old index if problems arise.

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Oct 1

Blue-green deployment or Canary releases can be used to handle hot model updates without interrupting traffic.

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Sep 29

When a disaster recovery drill or blue-green deployment triggers a full redeployment, all manual changes that have not been synced back to Git will be silently overwritten.

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Sep 12

The micro-improvement strategy is in the same vein as feature flags and blue-green deployments in software engineering — at their core, all of these approaches control risk by reducing the impact radius of each individual change.

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Sep 11

Canary releases and blue-green deployments are common strategies for the gradual rollout of models.

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