Eclipse not responding

Eclipse not responding
Question: Start eclipse slowly, or appear "not responding" when using eclipse...

Cause: Insufficient virtual memory

Solution: modify the parameters of vm

in the directory of eclipse, modify file "eclipse.ini" as the following:

-vmargs
-Dosgi.requiredJavaVersion=1.5
#-Dhelp.lucene.tokenizer=standard
#-Xms40m
#-Xmx512m
-Xms512m
-Xmx1024m
-XX:PermSize=128M
-XX:MaxPermSize=256M
-XX:+UseParallelGC
-Xverify:none