Steps:
1. Login to JIRA and create a new dashboard.
2. Change the layout to one column layout.
3. Add gadgets like "Average age chart", "Created vs resolved","Recently created chart" and "Time since chart".
4. Configure the gadgets and save it.

Result.
1. One gadget approx takes whole screen of user and make user scroll to see others.
2. This is on resolution 1900*1200, think about lower ones.
3. Viewing these gadget in other layout is better.

Expected:
1. As we support canvas mode for all these gadgets, we can do with a smaller size.
2. User experience should be better.