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The
activitytable is also used to deduplicate incoming federation data, so instead of truncating it, I'd suggest deleting rows after a certain amount of time.For my personal instance, I set up a cron to delete entries older than 3 days, and my db is only ~500MB with a few weeks of content! I also haven't seen any duplicated posts or comments. Even with Lemmy's retries, 3 days seems to be long enough before dropping rows from that table.
Could you share the cron/script you use to do this? I'm interested in hosting my own Lemmy at some point, and having a script for that cleanup would be hugely helpful for me.
Definitely! I'm hosting in Kubernetes so I won't post the full thing, but here's the actual command that I run hourly. Make sure to replace the values for
database,username, andpassword.Awesome, that was just as straightforward as I was hoping it was, thanks! I am more familiar with MySQL as I haven't used Postgres a ton but SQL is SQL after all lol
You're welcome! Makes sense. They're somehow so similar yet so different lol
I'll have to try this later. Thanks for the tip!
Hi - can you help me set this up or share the script that you use to do this? Many thanks :)
Can you help me set this up also or share the script I would run to do this? Many thanks.
Sure! My script will look a little different since I'm hosting Lemmy in Kubernetes, but basically you will want to run the following command hourly. Make sure to replace the values for
database,username, andpassword.Thank you :)
You're welcome!
Ah! I didn't know exactly what was being used for.
Yeah, then it can only be trimmed, not truncated.
This is a great idea, thank you!