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[AWS] Updating Elastic Beans Talks

开发技术 开发技术 1周前 (05-04) 7次浏览

[AWS] Updating Elastic Beans Talks

 

All at once

  • Deploys to all instances simultaneously.
  • You will experience a total outage.
  • Not ideal for mission-critical production system.
  • Rolling back: another outage to get back to the previous version

Rolling Deployment Policy

  • Deploys the new version in batches
  • Each batch is taken out of service while the deployment takes place
  • You env capacity will be reduced by the number of instances in a batch while the deployment takes places.
  • Not ideal for performance sensitive system.
  • Rolling back: perform an additional rolling update to roll back the changes

[AWS] Updating Elastic Beans Talks

 

Rolling with Additional Batch

  • Launches an additional batch of instances.
  • Deploys the new version in batches
  • Maintains full capacity throughout the deployment
  • Rolling back: perform an additional rolling update to roll back the changes

[AWS] Updating Elastic Beans Talks

 

Immutable Deployments

  • Deploy the new version to a fresh group of instances
  • Only when the new instances pass their health checks, should the old instances be terminated.
  • This is the preferred approach for mission cirtical system.
  • Rollback: Just delete the new instances

[AWS] Updating Elastic Beans Talks

 

[AWS] Updating Elastic Beans Talks

 

[AWS] Updating Elastic Beans Talks

 

[AWS] Updating Elastic Beans Talks


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