does high ram usage cause ingame lag?

[LechTips]

i haev a delay on maplestory

when i kill a monster it takes a while for the monsters to die
and no one is on the internet disrupting the connection
im not downloading anything

my ram usage is 6gb when i ply games

 

[logainofhades]

If your system is ram starved, yes it can cause problems, as your system will start going to the hard drive for more memory, from the pagefile. If you have 8gb and are using 6gb, though, I don't see that being a problem. I would check for malware with malwarebytes, and check your temps.