Re: [I] 滑动窗口bug：Fail to ibv_post_send: Cannot allocate memory, window=3, sq_current=98 (brpc)

[via GitHub]

chenBright commented on issue #3132:
URL: https://github.com/apache/brpc/issues/3132#issuecomment-3484363153

   > 问题总结，因为在发送端产生的recv completion event和send completion 
event的时机不一致，导致接收端产生回复ACK的时候，send completion event可能还没有产生，所以申请sqe的时候就可能失败。 
可以让recv completion event和send completion 
event的产生时机是一致的，这样能保证接收端回复ACK的时候，发送端一定有send completion event产生。具体修改：
   > 
   > <img alt="Image" width="1808" height="834" 
src="https://private-user-images.githubusercontent.com/7091130/508088866-02ecf78a-3b0a-4389-9733-30d18a6fc36f.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.aP_ceqARnpStu5RYUEuIvSsKYmaHgmRKmr3AFhnY0bM";>
   
   @yanglimingcn solicited && signaled send wc完成之前的send wc被server 
poll到之后ack，client收到的recv cqe，排在signaled send cqe前面，还是有问题吧？


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