[ceph-users] ceph -s very slow in my rdma eviroment

Today I run some ceph -s in my rdma enviroment. but very slow. After perf ceph -s to FlameGraph. I find almost all the time is spent on compact zone. Has anyone encountered it? my enviroment . rpm -qa | grep ibverb libibverbs-41mlnx1-OFED.4.1.0.1.1.41102.x86_64 libibverbs-devel-41mlnx1-OFED.4.1.0.1.1.41102.x86_64 ceph -v 14.2.5