You Don’t Always Need Redis to Speed Up Data Access

#devops #postgres #redis #backend

The moment performance comes up, a lot of teams say the same thing:

“Just add Redis.”

But if the dataset is small, read constantly, and changed rarely, that may be unnecessary infrastructure.

An in-memory cache inside the app, plus PostgreSQL LISTEN/NOTIFY for refresh signals, can be simpler, faster, and easier to operate.

Sometimes the best optimization is not adding another service.

postgres #golang #backend #devops