Address Book (Contacts) Thumbnails Filling Up System Drive in Mavericks

Originator:ricky.romero
Number:rdar://15749899 Date Originated:2014-01-05
Status:Open Resolved:
Product:OS X Product Version:10.9.1
Classification:Serious Bug Reproducible:Not Applicable
 
Summary:
In OS X 10.9, the thumbnails from the Contacts app (stored in /private/var/folders/[random characters]/[random characters]/C/com.apple.AddressBook/com.apple.AddressBook.thumbnailcache) have accumulated over time until they were eating 30 GB of space on my main system.

Steps to Reproduce:
The system install needs to be several months old, presumably with a populated address book (with contact icons).  I have contact syncing turned on with Facebook and iCloud, but am unsure if that's related.

Expected Results:
The Contacts app should use no more space than is necessary for caching address book thumbnails.

Actual Results:
The Contacts app is using 30 GB on my boot drive for caching address book thumbnails.

Version:
OS X 10.9.1

Notes:
http://rad.consol3.com/how-to-fix-address-book-thumbnails-filling-up-system-drive-in-osx
https://discussions.apple.com/message/24179680#24179680

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