Additionally, the first `ceph fs perf stats` output would be empty or outdated in most cases. You need to query a few times to get the latest values. So try `watch ceph fs perf stats`. On Mon, 12 Jun 2023 at 06:30, Xiubo Li <xiubli@xxxxxxxxxx> wrote: > > On 6/10/23 05:35, Denis Polom wrote: > > Hi > > > > I'm running latest Ceph Pacific 16.2.13 with Cephfs. I need to collect > > performance stats per client, but getting empty list without any numbers > > > > I even run dd on client against mounted ceph fs, but output is only > > like this: > > > > #> ceph fs perf stats 0 4638 192.168.121.1 > > > > {"version": 2, "global_counters": ["cap_hit", "read_latency", > > "write_latency", "metadata_latency", "dentry_lease", "opened_files", > > "pinned_icaps", " > > opened_inodes", "read_io_sizes", "write_io_sizes", "avg_read_latency", > > "stdev_read_latency", "avg_write_latency", "stdev_write_latency", > > "avg_metada > > ta_latency", "stdev_metadata_latency"], "counters": [], > > "client_metadata": {}, "global_metrics": {}, "metrics": > > {"delayed_ranks": []}} > > > > Do I need to set some extra options? > > > Were you using the ceph-fuse/libcephfs user space clients ? if so you > need to manually enable the 'client_collect_and_send_global_metrics' > option, which is disabled in Ceph Pacific 16.2.13. > > While if you were using the kclient you need to make sure the > 'disable_send_metrics' module parameter is 'false' for ceph.ko module. > > Thanks > > - Xiubo > > > > Does it work for some of you guys? > > > > Thank you > > > > dp > > _______________________________________________ > > ceph-users mailing list -- ceph-users@xxxxxxx > > To unsubscribe send an email to ceph-users-leave@xxxxxxx > > > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx