Ah, I understand now. Makes a lot of sense. Well, we have a LOT of small files so that might be the reason. I'll keep an eye on it whether the message shows up again. Thank you! Ranjan Am 05.12.19 um 19:40 schrieb Patrick Donnelly: > On Thu, Dec 5, 2019 at 9:45 AM Ranjan Ghosh <ghosh@xxxxxx> wrote: >> Ah, that seems to have fixed it. Hope it stays that way. I've raised it >> to 4 GB. Thanks to you both! > Just be aware the warning could come back. You just moved the goal posts. > > The 1GB default is probably too low for most deployments, I have a PR > to increase this: https://github.com/ceph/ceph/pull/32042 > >> Although I have to say that the message is IMHO *very* misleading: "1 >> MDSs report oversized cache" sounds to me like the cache is too large >> (i.e. wasting RAM unnecessarily). Shouldn't the message rather be "1 >> MDSs report *undersized* cache"? Weird. > No. I means the MDS cache is larger than its target. This means the > MDS cannot trim its cache to go back under the limit. This could be > for many reasons but probably due to clients not releasing > capabilities, perhaps due to a bug. > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com