Enabling UCX

Add the UCX module to the compilation container to accelerate network communication of the Ceph cluster.

1. Access the compilation container.

   1	podman exec -it openeuler2203sp4_build /bin/bash

2. After applying the SPDK patch, download ceph-17.2.7-ucx.patch to the /home/ceph-17.2.7 directory and apply the UCX patch.

   1 2	cd /home/ceph-17.2.7 patch -p1 < ceph-17.2.7-ucx.patch

3. Modify code in the EventEpoll.h file.
   1. Open the EventEpoll.h file.

      1	vim src/msg/async/EventEpoll.h

   2. Press i to enter the insert mode and replace line 34 with the following content:

      1	is_polling = cct->_conf->ms_async_op_threads_polling | cct->_conf->ms_async_ucx_event_polling;

      

   3. Press Esc to exit the insert mode. Type :wq! and press Enter to save the file and exit.
4. After the preceding steps are complete, compile Ceph. For details, see Compiling Ceph.