|Jira Agile 6.3
Here is a list that may help you to improve your JIRA Agile performance:
If using Firefox please read Performance Issues when using GreenHopper with Firebug.
Some users have reported that the performance of JIRA Agile can be very poor on a VMWare. They have increased their performance significantly by installing JIRA and JIRA Agile on a standalone server.