Expiring memcache via regex
问题 I'm using memcache in my rails app. I want to say expire all the entries with keys like 'foo-123-*' Where * is any string. Of course, no memcache distribution supports this directly (right?) because it's built to be simple and fast so it doesn't have indexes. There are a couple projects that sort of address this, by keeping a local list of keys: https://github.com/defconomicron/dalli-store-extensions https://github.com/jkassemi/memcache-store-extensions But in keeping the list in memory… that