Need a distributed key value search system in PHP

Question

This question asks one in java,

what is the best candidate for php?

BTW, the following is installed:

distributed keystore == distributed cache

?

Answer 1

There is Redis with advanced cache management features:

Redis - . memcached, , , , memcached, , . / , / , , , .. Redis .

Redis :

Redis . .

Answer 2

Cassandra, Facebook PHP.

Answer 3

MongoDb Memcached