I've been playing on my friend's server, and when I join the lag spikes are never too bad, as expected, but if I play for about half an hour, I start getting lag spikes up to 300ms, and it only gets worse from there, with the usage rising and never going back down. Only a few of us on the server have had this problem and I've tried everything from tinkering with RAM allocation to reinstalling the game. I have no idea what is causing the RAM usage to increase.
Linked issues
Comments
same dude
I believe you and I are having the same issue, MC-273262 , figured I would link mine here so that you could check mine as well. I have not played on a multiplayer server, so I can not comment on this but you are describing what is happening to me.
[MOD] Greymagic27
Resolving this into MC-273262 as it seems to describe the same issue
Maybe its a bitcoinminer?