zoulei commented on issue #2010:
URL: 
https://github.com/apache/incubator-brpc/issues/2010#issuecomment-1324634492

   > 这个测试case里面,带宽是瓶颈,都达到25G满带宽了。时延不会有啥差距的。
   
   
我大概有点明白了,在一次请求的数据传输过程中,内存的拷贝和数据通过网络传输,并不是串行的,而是并行的,拷贝了一部分之后,就会开始并行的拷贝与传输,而内存的拷贝速度要远快于网络传输的速度,从而导致出现延迟并没有下降的结果。请问大佬们,是这样的吗?
   如果是这样的话,那么对于IO密集型服务,cpu利用率本身就不高,使用RDMA也基本无法带来收益。我这么理解对吗?


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