otwcode/otwarchive — pull request #810 by CristinaRO (2012-08-21 23:08:30+00:00)
Title: Basic attempt at caching a tag's children query

Basic attempt at caching a tag's children query and, more importantly, expiring it.

Please review and help me improve it if needed. :)

http://code.google.com/p/otwarchive/issues/detail?id=3202

(Some fandoms are enormously prolific with their children, which causes the "show ALL the things" tag show page to lag enormously. We want to cache as much as possible, but also expire the cache when things change.)