Redis
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What is it?
An in-memory data store, designed specifically for simplicity and performance over powerful configuration.
Why did we choose it?
It's one of the primary contenders for running cache servers, the other being memcached.
What do we use thisit forfor?
Deserted caching needs. That'Chateau's primarilycache servers, that store user session managementdata, and cache various bits of data we don't want to retrieve constantly (such as search results caching.results).