rdma simple example #925
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rdma simple example #925
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Why
一个简单的例子展示如何用rdma通信。
第一步先通过调用rpc请求handshake用来交换server和client的端点信息(gid, qp num等)；
第二步 client在收到server的端点信息之后修改rtr状态，然后post recv，再调用rpc请求test 告诉server可以发数据了。
server收到test rpc请求之后会post send数据给client，client 在收到server的响应之后去ibv_poll_cq等待cqe。
问题是server的test 函数中需要发送两次数据，client 才收到cqe并得到数据，正常情况下应该只需要发送一次数据。
What is changing
Example