Look for the docs about jemalloc, may push down memory usage to ⅕. I’d say use conduwuit because it’s way more resource conservative… but it’s dead now.

oh those netsplits, people fighting for ops… good old days

Indeed. Also my failure comes from the rather unwelcome way of lemmy failing: "Error!" message on the UI without any error in any log, indicating any problems. I ws thinking about trying to debug it but needs lots of hours just to figure out how they inagined debugging...