[ceph-users] Re: CephFS clients waiting for lock when one of them goes slow

2020-08-14 Thread pchoi
Yes, I've seen this problem quite frequently as of late, running v13.2.10 MDS. It seems to be dependent on the client behavior - a lot of xlock contention on some directory, although it's hard to pin down which client is doing what. The only remedy was to fail over the MDS. 1k - 4k clients 2M r

[ceph-users] Re: CephFS: What is the maximum number of files per directory

2020-06-24 Thread pchoi
Just an anecdotal answer from me... You want as few files as possible. I wouldn't go beyond a few hundred files in a dir. Seeing ~1s for each 1,000 files when I "ls". But this is in a pretty idle directory. When there were files actively being written to those dirs and being read, just doing "l

[ceph-users] Re: radosgw - how to grant read-only access to another user by default

2020-06-22 Thread pchoi
For those who responded to me directly with some helpful tips, thank you! I thought I'd answer my own question here, since it might be useful to others. I actually did not find useful examples, but maybe I was not looking for the right things... First off, s3cmd kept giving me HTTP 405 errors.

[ceph-users] Re: Upgrading from Mimic to Nautilus

2020-04-03 Thread pchoi
Thanks for the heads up! Hoping to try it the upgrade from Mimic to Nautilus in the next couple of months... (fingers crossed). ___ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io