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I use Foyer in-memory (not hybrid) in ZeroFS [0] and had a great experience with it. The only quirk I’ve experienced is that in-memory and hybrid modes don’t s

by Eikon 1y ago

I use Foyer in-memory (not hybrid) in ZeroFS [0] and had a great experience with it. The only quirk I’ve experienced is that in-memory and hybrid modes don’t share the same invalidation behavior. In hybrid mode, there’s no way to await a value being actually discarded after deletion, while in-memory mode shows immediate deletion. [0] https://github.com/Barre/ZeroFS https://github.com/Barre/ZeroFS

oulipo2 1y ago
Interesting! What would be a typical use-case of ZeroFS? could I use this to store my Immich and Jellyfin data on S3 so I don't need disk?
- Eikon 1y ago
  That should work!
  - ofek 1y ago
    The Jellyfin metadata would certainly be a fit but what about streaming video content i.e. sequential reads of large files with random access?
    - Eikon 1y ago
      If you have the network that matches, it should be perfectly fine.
- dexterdog 1y ago
  If you don't mind paying about a dollar to stream one of your own movies as well as a couple of bucks per year to store it.
  - Eikon 1y ago
    You don’t have to use AWS S3, any compatible implementation will work.
mmastrac 1y ago
This is interesting. I would be curious to try a setup where I keep a local hybrid cache and transition blocks to deep storage for long-term archival via S3 rules. Some napkin math suggests this could be a few dollars a month to keep a few TB of precious data nearline. Restore costs are pricy but hopefully this is something that's only hit in case of true disaster. Are there any techniques for reducing egress on restore?
- Eikon 1y ago
  The easy way to achieve that, is using ZeroFS NBD server with ZFS L2ARC (L2ARC with local storage and “main” pool on ZeroFS).