So here is the answer from the docs https://docs.ceph.com/docs/master/cephfs/app-best-practices/ There isnt a physical limit but you may well hit operational issues with some tools. Best practice would be to create some sort of directory tree and not just dump all the files you have into a single directory. Darren Sent from my iPhone On 24 Jun 2020, at 07:57, Martin Palma <martin@xxxxxxxx> wrote: Hi, What is the maximum number of files per directory? I could find the answer in the docs. Best, Martin _______________________________________________ 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