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What are the requirements for a single user Lemmy instance?
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this post was submitted on 08 Oct 2024
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Numbers from my instance, running for about a 1 year and with average ~2 MAU. According to some quick db queries there is currently 580 actively subscribed communities (it was probably a lot less before I used the subscribe bot to populate the All tab).
SELECT pg_size_pretty( pg_database_size('lemmy') ): 17 GBBackblaze B2 (S3) reports average 22.5 GB stored. With everything capped to max 1 USD, I pay cents - no idea how backblaze does it but it's really super cheap, except for some specific transactions done on the bucket afaik, which pictrs does not seem to do.
According to my zabbix monitoring, two months ago (I don't keep longer stats) the DB had only about 14G of data, so with this much communities I am getting about 1.5G per month (it's probably a bit more as I was recently prunning stuff from some dead instances).
Prometheus says whole lemmy service (I use traefik) is getting within about 5 req/s (1m average) though if I go lower it does spike a lot, up to 12 requests within a second then nothing for few.