I had followers from dead instances which my Sidekiq was continuously retrying to push my statuses to, and there's also a "development and testing" instance which is in the mastodon.host relay which I've suspended for giving weird errors repeatedly. My RAM usage is down significantly so I'm satisfied now. Some errors are probably inevitable with this many relays 🤷♀️ #SingleUserInstance
My #SingleUserInstance is on a $10/month Digital Ocean VPS which has 2gb of RAM and 50gb of storage... It's one year old now and is using about 38gb. I try to have a lively federated timeline but I also do extreme pruning of remote media so I can probably get most of another year out of the remaining 12gb... My instance typically uses 1.2gb of RAM
@brianna and you can switch to DO Spaces for like $5/mo if/when you need more space. It works great!