sorl/sorl-thumbnail — pull request #127 by hcarvalhoalves (2012-10-08 23:30:18+00:00)
Title: Performance improvements of cached DB KVStore

The `_set_raw` method in the cached DB KVStore generates many unnecessary `SELECT`s for the common case. Also, it's not atomic, increasing the likeliness of multiple DB hits if you have many concurrent users.