Visualization of the min_alloc_size / wasted space dynamic: https://docs.google.com/spreadsheets/d/1rpGfScgG-GLoIGMJWDixEkqs-On9w8nAUToPQjN8bDI/edit#gid=358760253; Bluestore Space Amplification Cheat Sheet docs.google.com > On Jan 16, 2023, at 3:49 AM, Frank Schilder <frans@xxxxxx> wrote: > > If you have mostly small file IO and only the occasional large files, you might consider having 2 data pools on HDD. One 3x-replicated pool as default and an 8+2 or 8+3 EC pool for large files. You can give every user a folder on the large-file pool (say "archives" under home). For data folders users should tell you what it is for. Users unfortunately are notoriously uncompliant. With Quincy one can override the storage class on the RGW side: https://www.youtube.com/watch?v=w91e0EjWD6E; Optimizing RGW Object Storage Mixed Media through Storage Classes and Lua Scripting youtube.com _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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