Description of problem: I ran the small-file performance test on NFS-Ganesha v4.0 mounted volume. After test, I observed performance drop in Delete-Rename FOPs by 41%. Test server has FIPs enable and 3.4 BU1 installed. Please let me know if need any more information on it. Gluster version : ############### [root@gqas001 ~]# rpm -qa | grep gluster glusterfs-fuse-3.12.2-23.el7rhgs.x86_64 glusterfs-rdma-3.12.2-23.el7rhgs.x86_64 glusterfs-libs-3.12.2-23.el7rhgs.x86_64 glusterfs-3.12.2-23.el7rhgs.x86_64 glusterfs-cli-3.12.2-23.el7rhgs.x86_64 glusterfs-geo-replication-3.12.2-23.el7rhgs.x86_64 tmp-rhs-tests-beaker-rhs-gluster-qe-libs-dev-bturner-3.0-0.noarch glusterfs-client-xlators-3.12.2-23.el7rhgs.x86_64 glusterfs-debuginfo-3.12.2-18.el7.x86_64 glusterfs-server-3.12.2-23.el7rhgs.x86_64 python2-gluster-3.12.2-23.el7rhgs.x86_64 glusterfs-api-3.12.2-23.el7rhgs.x86_64 [root@gqas001 ~]# ############### Options : ############### performance.cache-samba-metadata: on server.event-threads: 4 client.event-threads: 4 cluster.lookup-optimize: on network.inode-lru-limit: 90000 performance.md-cache-timeout: 600 performance.cache-invalidation: on performance.stat-prefetch: on features.cache-invalidation-timeout: 600 features.cache-invalidation: on transport.address-family: inet nfs.disable: off performance.client-io-threads: off ################ Volume Type : Replica-3 Cluster : 6 servers and 6 clients FIPs: Enable : ################ [root@gqas001 ~]# cat /boot/grub2/grub.cfg | grep -i fip linux16 /vmlinuz-3.10.0-957.el7.x86_64 root=/dev/mapper/rhel_gqas001-root ro crashkernel=auto rd.lvm.lv=rhel_gqas001/root rd.lvm.lv=rhel_gqas001/swap selinux=0 console=ttyS1,115200 LANG=en_US.UTF-8 fips=1 boot=UUID=03794366-b295-4b3a-91c4-02c9553bab56 [root@gqas001 ~]# ################ RHEL version : RHEL 7.6 Note : - I also have seed performance drop in FUSE, Bug 1641908 has filed for it. Details of performance number are in below link, https://docs.google.com/spreadsheets/d/1B2obaj3w85O2xtzqc_anyJoDy9Nnejg3jvBl3mWivMc/edit#gid=0