- max inline
- default receive buffer size
- testing
The max_inline_data is particularly important because it cannot be queried with the help of ibv_devinfo tool.
It corresponds to the maximal size of packet that can be inlined with an RDMA packet, providing further performance improvements for invocations with a small payload.
When in doubt, set it to zero - this will disable any inlining.
The default_receive_buffer_size