From their Website
Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker.
It's recommended to have 4gb of RAM for redis
See here https://docs.redislabs.com/latest/rs/administering/designing-production/hardware-requirements/
Ports required to run the server in a table format.
| Port | default |
|---|---|
| Server | 6379 |