AlbumenJ commented on issue #11646:
URL: https://github.com/apache/dubbo/issues/11646#issuecomment-1446131891

   > @AlbumenJ 我想我可能理解错透传的意思了,我以为是A调B,然后A再调C的时候传递参数,我是想在一个地方设置Trace 
ID,然后在所有调用中都可以取到这个参数,实际上透传是A调用B,然后B再调用C的时候透传,如果A再调用其他参数就被清掉了
   
   这个 Dubbo 侧时不能保留的,因为保留了以后 Dubbo 就没有机会清理了,这样会造成内存泄漏的。
   如果是 Trace 的话可以借助外部的 Trace 工具,Dubbo 只负责向下游传递,不负责进程内传递


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