You can have both. Postgres has foreign data wrappers, with Redis as a first class citizen. So, you can push your data to Postgres, and have it trigger to publi

You can have both. Postgres has foreign data wrappers, with Redis as a first class citizen. So, you can push your data to Postgres, and have it trigger to publish the updates. Databases have a pretty big toolset to make your life easier when you need to manipulate your data.