Why is startup time is 3x slower in JBAS5 to JBAS4?

[hstang]

I'm thinking starting a new project on JBAS5 since it appears that JBAS4 is to be deprecated pretty soon.

My question is why does JBAS5 startup time on my machine takes 42s whereas JBAS4 takes 13s? What additional services are JBAS5 loading that is so essential to take 30 more seconds?

[jaikiran]

There have been various changes in AS5 including deployment framework and other core things. Performance issue with AS5 has been brought up before and is being tracked here https://jira.jboss.org/jira/browse/JBAS-6549.