What Is a Redis Session

The Redis session cache is most commonly used in a scenario where client requests are directed by a load balancing mechanism to two or more replicated WebSEAL servers. The Redis Session Cache. Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker.

Is Redis session based?

Redis is perfect for storing sessions. All operations are performed in memory, and so reads and writes will be fast. If you cannot afford losing any sessions, set appendfsync always in your configuration file. With this, Redis guarantees that any write operations are saved to the disk.

How use Redis Express session?

To add support of Redis you have to use Redis client and connect-redis. Create express-session and pass it to connect-redis object as parameter. This will initialize it. Then in session middleware, pass the Redis store information such as host, port and other required parameters.