Limit the size of Meeting Manager by enable Archive & Purge
Enable Purge in your Meeting Manager and ensure a much lighter version of Meeting Manager!
You can purge data so you only have a specific amount of days in Meeting Manager, but are you consered that items are purged before they are processed, enable Archive.
With Archive you can ensure that catering orders and facility worksheets are archived before they are purged AND you can set what status the documents need to have before they are moved to archive and purged.
For more information consult the OnTime Meeting Manager Administration Guide (Administration Setup, System Configuration, Clean-up Facilities tab)