Launcher/pack Version: (0.5.4.9) Tekkit Newest Operating System: Windows 7 64bit Version of Java: 1.7.0_03 64bit and Java 6 Update 31 32bit (?) Description of Problem: I host my own server to play on my own, with "java -Xmx1G -Xms512M -jar Tekkit.jar nogui" launch options, and use newest tekkit. I start playing on my server connecting through 127.0.0.1 and after like 2-3min start getting HUGE lagg spikes which ends up in memory run out. Also in task manager it shows that minecraft is running 32bit. Error Messages: minecraft run out of memory Link to pastebin of log: http://pastebin.com/fAYbPsC9 and found this one http://pastebin.com/Qy3ZhqHL P.S. Sorry for bad english.