Hi
did you check mem usage with top?
is there anything consuming much mem e.g. java?
depending from the start of the JAVA Agents and JWPs -- I usually limit it using java -jar -Xmx512M or java -jar -Xmx256M --
I would try without FTP and Peoplesoft agent and with only one JWP if there is an improvement
Java is often very mem-consuming...
cheers, Wolfgang