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Posted to notifications@dubbo.apache.org by "sadlay (via GitHub)" <gi...@apache.org> on 2023/03/20 15:24:41 UTC
[GitHub] [dubbo] sadlay opened a new issue, #11874: 动态配置在重启后不生效
sadlay opened a new issue, #11874:
URL: https://github.com/apache/dubbo/issues/11874
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- [ ] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.
### Environment
* Dubbo version: 3.1.1
* Operating System version: MacOS
* Java version: 1.8
### Steps to reproduce this issue
1. 动态配置
```yaml
configVersion: v3.1
scope: service
key: cn.sadlay.dubbo.apple.api.AppleService
enabled: true
configs:
- addresses: [0.0.0.0]
side: consumer
parameters:
loadbalance: consistenthash
```
2. 重启 **Consumer**
3. 调用 **AppleService**，还是使用默认的轮训策略 **RandomLoadBalance**
4. 更新动态配置（添加换行，不更新具体内容）， **ConsistentHashLoadBalance** 生效
### Expected Behavior
重启后服务调用使用 **ConsistentHashLoadBalance** 负载均衡策略
### Actual Behavior
重启后服务调用使用默认 **RandomLoadBalance** 负载均衡策略，动态配置失效
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[GitHub] [dubbo] sadlay commented on issue #11874: 动态配置在重启后不生效
Posted by "sadlay (via GitHub)" <gi...@apache.org>.
sadlay commented on issue #11874:
URL: https://github.com/apache/dubbo/issues/11874#issuecomment-1476456856
RegistryDirectory#subscribe(URL url)中，subscribe订阅更新逻辑先于ReferenceConfigurationListener拉取配置执行，导致包含在subscribe逻辑中的的overrideWithConfigurator方法中referenceConfigurationListener为空，而没有覆盖配置。
@AlbumenJ 请问这个BUG是否已修复？
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Re: [I] 动态配置在重启后不生效 [dubbo]
Posted by "CrazyHZM (via GitHub)" <gi...@apache.org>.
CrazyHZM closed issue #11874: 动态配置在重启后不生效
URL: https://github.com/apache/dubbo/issues/11874
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[GitHub] [dubbo] AlbumenJ commented on issue #11874: 动态配置在重启后不生效
Posted by "AlbumenJ (via GitHub)" <gi...@apache.org>.
AlbumenJ commented on issue #11874:
URL: https://github.com/apache/dubbo/issues/11874#issuecomment-1481060963
这里应该有两个规则的处理点，一个是在 RegistryDirectory 另外是在 ServiceDiscoveryRegistryDirectory。
按照通用一些的做法应该是订阅后马上推送一次最新的规则覆盖，这样可以保证规则是一直最新的。
如果提前订阅规则再注册中心订阅可能导致一些非预期的时序问题。
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[GitHub] [dubbo] chickenlj commented on issue #11874: 动态配置在重启后不生效
Posted by "chickenlj (via GitHub)" <gi...@apache.org>.
chickenlj commented on issue #11874:
URL: https://github.com/apache/dubbo/issues/11874#issuecomment-1596576406
@sadlay 建议升级到 Dubbo 3.2 版本后使用流量管控功能，3.2 版本对着一部分内容做了大量增强。
同时请保持 `configVersion:v3.0` 为固定值。
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