Structure of the memcached KEY
brianm at dealnews.com
Fri Nov 3 16:17:10 UTC 2006
Steven Grimm wrote:
> If you use a good hash function like SHA-1, false collisions are
> basically a nonissue. You're more likely to be killed by a falling
> airplane while holding a winning lottery ticket than to ever see an
> SHA-1 collision between valid SQL queries.
I still recommend more than just one SHA-1 or md5 hash. Maybe both
concated. I have had collisions with md5 and sha1. Sure, its 3 out of
a couple of million, but it happens.
It's good to be cheap =)
More information about the memcached