CMS does not want to run concurrently

[mbien at fh-landshut.de]

can't believe it ;-) someone really called System.gc() in a third  
party image manipulation lib... That happend every time the user  
clicked on a specific button on the webpage... Try this with 64  
parallel sessions and you have an incredible bad performing VM.

The main issue with System.gc() is that many have read the doc and  
remember the part with the VM hint, but don't know that it actually  
always invokes FULL GCs on the SUN impl.

problem solved, stopps are now < 1s - perfect

thanks again,

michael