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hansedong avatar hansedong commented on June 3, 2024 1

如果服务完全摘除后再重新上线,目前这个轮询list的机制确实会在这种极端case下影响重新上线后的速度,但在完全摘除时已经造成了流量影响,一般业务上也不会这样去操作。

这个情况的确是有些极端,因为我们做的是微服务平台,通常来说,业务研发主要关心业务代码开发,不关心底层基础架构,业务研发是完全信赖基础平台的。这个场景中,极端场景下,业务会遇到上线(尤其是新上线)服务后,回归测试出现问题。实际上,关于网关规则生效速度慢的问题,还可能会导致前端微服务场景中 CDN 静态资源回源 404 的问题。

nacos3.0会支持模糊订阅机制(订阅一个分组下的服务新增),如果你们业务确实要考虑这种极端用例,higress未来可以考虑基于这个机制扩展一下

感谢提醒,我关注一下

非常感谢回复,期待后续在 Higress 上有更多交流~

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johnlanni avatar johnlanni commented on June 3, 2024

这样处理并没有问题,因为新注册到nacos上的服务,不会立即就去创建路由,即使做了一些自动化机制,一注册就立即创建路由,影响面也是在路由刚创建的时候要多等一会儿生效。

路由转发给哪个服务是个静态配置,只要Nacos上这个服务没有完全摘除,服务上下线都不会造成流量影响。

如果服务完全摘除后再重新上线,目前这个轮询list的机制确实会在这种极端case下影响重新上线后的速度,但在完全摘除时已经造成了流量影响,一般业务上也不会这样去操作。

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johnlanni avatar johnlanni commented on June 3, 2024

nacos3.0会支持模糊订阅机制(订阅一个分组下的服务新增),如果你们业务确实要考虑这种极端用例,higress未来可以考虑基于这个机制扩展一下

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