Clarification on Ceph OSD Memory Recommendation

Hi all,

I'm wondering about this recommendation for memory requirements for Ceph from the Proxmox VE admin guide: "1 TiB of data, 1 GiB of memory"

I've not seen this elsewhere. Ceph's offical docs have a recommendation of 4 GiB per OSD, though are clear that OSDs can benefit from more memory.

I'm trying to understand where the 1 GiB per 1 TiB recommendation fits:

• It sounds like this is in addition to the per-OSD memory requirement? 4 GiB + 1 GiB per TiB for every OSD...

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