Can someone give me a lead on what can be happening on my server? Me and my 3 friends playing experience this kind of global freezes that last maybe a second but it happens often enough to be annoying. It is not a FPS problems,not a "lag" problem either (chests open the moment you click them,if you hit someone the damage is inmediately accounted). I don't think the graph appearing there is normal, and i've noticed that each time it goes down,its one of the freezes on the world. I also allocated 3GB of RAM to the server (it had the standard quantity)
What can be causing it? I tried it on a Forge server with no mods and even though the game plays fine, the graph still looks jagged.