Lemmy

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What is the long-term storage plan for Lemmy instances? (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by Kalcifer@lemmy.world to c/lemmy@lemmy.ml

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Over time, Lemmy instances are going to keep aquiring more, and more data. Even if, in the best case, they are not caching content and they are just storing the data posted to communities local to the server, there will still be a virtually limitless growth in server storage requirements. Eventually, it may get to a point where it is no longer economically feesible to host all of the infrastructure to keep expanding the server's storage. What happens at this point? Will servers begin to periodically purge old content? I have concerns that there will be a permanent horizon (as Lemmy becomes more popular, the rate of growth in storage requirements will also increase, thereby reducing the distance to this horizon) over which old -- and still very useful -- data will cease to exist. Is there any plan to archive this old data?

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[–] 018118055@sopuli.xyz 27 points 1 year ago (1 children)

One way to approach the geometric storage growth would be to not cache everything everywhere all at once. With 1000+ instances, storing an object in a few instances would be ok if others can pull it in on demand. Can use some typical caching methodology like use frequency, aging etc.

[–] vamp07@lemm.ee 4 points 1 year ago

This is a great idea. Instances will need eventually to agree to common storage areas, even if they dont all allow the same content on their instance. That savings would be huge in the long run.