Re:Simple Twitter clone using only the Redis key-value store...
by jjs on Thursday May 21, 2009 @04:51PM
(#621113)
> If you have more data than a single server can hold the best thing to do is hashing. For instance the Redis-rb client supports consistent hashing.
Hopefully with a secret salt! It would be interesting if someone nasty managed to take down a node by e.g. predictively registering certain usernames.
yes "ALL" in Ram :) this will work for twitter, facebook, everything: what they are doing is to use only the RAM even if they have MySQL, with tons of memcached around. With Redis of course the memcached layer goes away.