More details: We are getting errors that make it look like

growthbook-proxy

is trying to write to read-only redis nodes, which sentinel should prevent. We've started hosting

growthbook-proxy

in our k8s infrastructure as a proxy for Growthbook Cloud, but are getting intermittent errors when using Redis as the

CACHE_ENGINE

, particularly when quickly switching the feature on and off (server sent events). • We've set

REDIS_URL=redis://:<PASSWORD>@<REDIS-SVC-NAME>.<NAMESPACE>.svc.cluster.local

• We are connecting to a shared Redis instance that uses Redis Sentinel • The specific error in the `growthbook-proxy`logs is:

ReplyError: READONLY You can't write against a read only replica.\n    at parseError (/usr/local/src/app/node_modules/redis-parser/lib/parser.js:179:12

• We also intermittent connection errors in the UI for the SDK Connection (

POST returned an invalid status code: 500

)