I believe my question was deleted, or I posted it somewhere in a completely different place and forgot it, but I'm 92.1% sure I posted it here (among other places like irc)
It was about plasmashell eating a lot of ram, which made my work almost impossible.
If it was removed, can someone tell me why?
BTW, I found the solution of the problem after many hours of searching for a reason, and it's a bug in plasma. I came back here to answer my question to help others :(