Client-side caching with Amazon ElastiCache Redis OSS about rueidis HOT 4 CLOSED

Hi @kerstinmaier,

Would you mind providing more details about your cluster? I just tested a Redis OSS ElastiCache cluster on my side and it did recognize the CLIENT TRACKING command.

from rueidis.

Hi, thanks for your answer, actually for our initial test we haven't designed an own redis cluster, but used a Redis OSS cache serverless instance as described in the following guide: https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/GettingStarted.html

We created it and a fitting EKS cluster according to the documentation with inbound and outbound rules to allow the traffic, I think the main peculiarity of our setup probably is is that we are connecting to it from a Kubernetes cluster with BYOA (Bring your own account), we've tested that the TCP connection works and ports are open and writing and reading from the cache works without the Client-side caching.

We did have the thought that maybe there is a problem with the traffic going back from AWS to our kubernetes cluster when the "tracking" command is used, but generally both inbound and outbound traffic rules should be fitting. Maybe one question: when initializing the rueidis client, is the connection and inbound/outbound traffic for the "tracking" command already tested? We're missing a bit more information on what actually is the cause of the error, despite debugging as far into the reuidis client code as possible.

from rueidis.

The connection and inbound/outbound traffic for the "tracking" command should be the same as other commands. They share the same TCP connection.

Since you got a detailed Redis error unknown subcommand 'tracking', it suggested that your connection was well established. The error was more likely returned by a Redis proxy which didn't support client-side caching.

from rueidis.

Hi, thanks, I think that already helps us, I assume it might be a limitation of the Redis OSS Serverless instance, so I'll look into that. So from our side the issue here can be closed.

from rueidis.