In this article, I will show you how to update Redis Enterprise on PCF and see how Redis Enterprise cluster will guarantee a service continuity using out of the box failover.
If you need a Cloud Foundry application that calls Redis automatically you can use this project simple-redis-spring-demo-pcf.
For this article, I will upgrade Redis Enterprise for PCF from the version v5.4.2400147 to the latest version, currently v5.4.40700169.
As part of my on-boarding/training at RedisLabs I continue to play with the product, and I have decided today to install a local 3 nodes cluster of Redis Enterprise Software (RS); and show how easy is to move from a single node/shard database to a multi nodes highly available one.
Once your cluster is up & running, you will kill some containers to see how the system automatically fail-over to guarantee service continuity.
The deployment will look more or less like the schema below, (coming from RedisLabs documentation)
This is a perfect environment for learning, developing and testing your applications, but it is not supported in production; for production, you can use: