No Persistence Model
Redis also provides an option to disable persistence altogether, in which case the data is stored only in memory. This option is useful when Redis is used as a cache, and the data can be regenerated if lost.
Redis and its role in System Design
Redis is an open-source, in-memory data structure store used as a database, cache, and message broker. It is widely used for its fast performance, flexibility, and ease of use.
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