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描述
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Apache Dubbo Component
Java SDK (apache/dubbo)
Descriptions
The SDK provides the capability of grayscale ramp-up, enabling blue-green deployment plus grayscale release. Specifically, the application program of the provider is deployed in two sets of templates with equally scaled containers (e.g., N containers). Ultimately, the production traffic flows into only one set of templates. When upgrading the provider program, it is first deployed to the template that does not receive traffic and then a portion of the traffic is introduced (e.g., 5%). After verification, the traffic is gradually expanded until it reaches 100% (5%-20%-50%-100%). After all the traffic is introduced to the upgraded provider template, the containers in the old template are taken offline. Subsequent upgrades continue to use this process to complete the grayscale ramp-up and upgrade of traffic without any tagging of the consumer.
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