Thanks for the help! I knew the JVM would use more ram than the heap but here the effect is definitely noticeable! (520MB used with 300MB heap). I didn't choose the best screenshot, in previous post, to illustrate what I wanted to show, sometimes the gc kicks in without any crash showing there is en...

After running the router for a while I realized it was using so much memory that some was put on swap and causing huge slowdown on the raspberry pi (debian 12). I was running v 2.7 and nothing changed on 2.8 and neither with a different java version (17 and 23). I then disabled the swap to see what ...