Lag spikes

[winsucker]

Hi - i have fairly big problem with a lag on my server.

It starts after couple of hours of uptime and gets worst and worst until a restart.

My hardware:

i7

2GB of RAM dedicated to Tekkit

Main map in RAMDisk

Start up:

http://pastebin.com/VPix8u8w

screen -S minecrafter java -server -Xmx2G -XX:PermSize=128m -XX:MaxPermSize=256m -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+UseNUMA -XX:+CMSParallelRemarkEnabled -XX:MaxGCPauseMillis=50 -XX:+UseAdaptiveGCBoundary -XX:-UseGCOverheadLimit -XX:+UseBiasedLocking -XX:SurvivorRatio=8 -XX:TargetSurvivorRatio=90 -XX:MaxTenuringThreshold=15 -XX:UseSSE=3 -XX:+UseFastAccessorMethods -XX:+UseStringCache -XX:+UseCompressedStrings -XX:+UseCompressedOops -XX:+OptimizeStringConcat -XX:+AggressiveOpts -jar Tekkit.jar nogui

NoLagg report in times of lagg:

http://imgur.com/a/4uR9u

#########################

Total duration: 2060.439 ms / 500 ticks

Average duration: 4.121 ms/tick

Event count: 152

Task count: 20

Plugin count: 23

Modifyworld:

http://pastebin.com/q6PqciqL

If anyone have any idea on what is going on and how to repair it - that would be great.