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SERVICE MIGRATION ACROSS CLUSTER BOUNDARIES
SERVICE MIGRATION ACROSS CLUSTER BOUNDARIES
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机译:跨集群边界的服务迁移
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摘要
Embodiments provide migration of services across different clusters to balance utilization and meet customer demands. Different service migration options may be performed with or without downtime. The artifacts of the service are moved to a new destination cluster. The service is created on the new destination cluster and staged so that the service is almost ready to start. In one embodiment, the service is stopped on the old cluster and started on the new cluster. After stopping the service, DNS is updated to point to the service on the new cluster. In another embodiment, the service is stopped on the old cluster and started on the new cluster with the same IP address to avoid DNS reprogramming and associated delays. In a further embodiment, the migration is performed without downtime by moving the service part by part from one cluster to another.
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