The OP's number suggest IIRC like 120GB-ish for WAL+DB, though depending on workload spillover could of course still be a thing. > > I have certainly seen cases where the OMAPS have not stayed within the RocksDB/WAL NVME space and have been going down to disk. > > This was on a large cluster with a lot of objects but the disks that where being used for the non-ec pool where seeing a lot more actual disk activity than the other disks in the system. > > Moving the non-ec pool onto NVME helped with a lot of operations that needed to be done to cleanup a lot of orphaned objects. > > Yes this was a large cluster with a lot of ingress data admitedly. > > Darren Soothill > > Want a meeting with me: https://calendar.app.google/MUdgrLEa7jSba3du9 > > Looking for help with your Ceph cluster? Contact us at https://croit.io/ > > croit GmbH, Freseniusstr. 31h, 81247 Munich > CEO: Martin Verges - VAT-ID: DE310638492 > Com. register: Amtsgericht Munich HRB 231263 > Web: https://croit.io/ | YouTube: https://goo.gl/PGE1Bx > > > > >> On 29 May 2024, at 21:24, Anthony D'Atri <aad@xxxxxxxxxxxxxx> wrote: >> >> >> >>> You also have the metadata pools used by RGW that ideally need to be on NVME. >> >> The OP seems to intend shared NVMe for WAL+DB, so that the omaps are on NVMe that way. >> >> _______________________________________________ >> 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