Re: [I] 2.7.4.1 泛化调用性能弱于2.6.2 [dubbo]

["amosnothing (via GitHub)" <gi...@apache.org>]

amosnothing commented on issue #5343:
URL: https://github.com/apache/dubbo/issues/5343#issuecomment-1803004865

   > 最近也碰到这个问题，最近内部API网关升级dubbo到2.7.4.1，cpu使用占比很高，分享下排查总结。 （1）2.7.4.1版本的ReferenceConfig.get方法，会调用checkAndUpdateSubConfigs方法，代码：https://github.com/apache/dubbo/blob/dubbo-2.7.4.1/dubbo-config/dubbo-config-api/src/main/java/org/apache/dubbo/config/ReferenceConfig.java （2）2.7.6版本，ReferenceConfig.get方法不再调用checkAndUpdateSubConfigs，放到init方法执行，内部应该是优化调整元数据的更新&校验逻辑。
   > 
   > 升级到2.7.6版本后，问题解决
   > 
   > 附： dubbo2.6.6: ![image](https://user-images.githubusercontent.com/3169716/86319221-9888a700-bc66-11ea-8566-21656790f1a4.png) dubbo2.7.4.1: ![image](https://user-images.githubusercontent.com/3169716/86319252-b3f3b200-bc66-11ea-9619-178426265005.png) dubbo2.7.6: ![image](https://user-images.githubusercontent.com/3169716/86319266-be15b080-bc66-11ea-8b8e-d78caf00fea1.png)
   
   请问下这个图片是怎么生成的？


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