This FAQ assumes you have manager role and proper permissions to work in the ZODB.

• Packing the ZODB removes old copies of objects, so once it is done, you can no longer undo them.
• There may be a little performance benefit.
• There is a disk space benefit.

Go Direct

On your local machine, click

http://localhost:8080/Control_Panel/Database/main/manage_main (you might have different port number)

1. choose how many days of undo-data you wish to leave in the system in the box provided
2. click pack

On your Server

go to yourSite/Control_Panel/Database/main/manage_main)

1. choose how many days of undo-data you wish to leave in the system in the box provided
2. click pack

Plone 3.0.x from the controlpanel

1. click 'site setup' (or go to yourSite/plone_control_panel)
2. click maintenance (or go to yourSite/@@maintenance-controlpanel
3. choose how many days of undo-data you wish to leave in the system in the box provided
   
4. click 'Pack database now' (wait for it to finish the pack as it may take a little while)

From The Top

Starting from the Plone UI (user interface):

1. sign in with your 'admin' role
   
2. click 'site setup' (or go to yourSite/plone_control_panel)
   
3. click 'Zope Management Interface' (or go to yourSite/manage_main)
4. click on the '/' at the top left where it says 'Plone Site at'
   
5. click 'Control_Panel' (or go to yourSite/Control_Panel/manage_main)
6. click 'Database Management' (or go to yourSite/Control_Panel/Database/manage_main)
   
7. click 'main' (or go to yourSite/Control_Panel/Database/main/manage_main)
   
8. choose how many days of undo-data you wish to leave in the system in the box provided
   
9. click 'pack' (wait for it to finish the pack as it may take a little while)