On Sep 7, 2007, at 16:12 , John Kramlich wrote:
I use Memcache to cache results of MySQL queries. I've found that using an MD5 hash of the SQL statement works well as the key. I don't know the probability of issues where two different sets of data will produce the same MD5. If you find that out please post to the list.
The expectation is that you'll have a collision after about 2^64 distinct keys.
-- Dustin Sallings
