How To Make A Serverside Hub Part 2/2 Apr 2026

Build a mechanism where the hub attempts to re-send failed requests 3 times before giving up.

For a hub, Redis is often the gold standard. It’s an in-memory data store, meaning it’s incredibly fast for real-time updates. If you need long-term storage (like user profiles), pair it with a relational database like PostgreSQL . How To Make A Serverside Hub Part 2/2

As your traffic grows, a single hub instance will become a bottleneck. Build a mechanism where the hub attempts to

Protect your internal microservices by limiting how many requests a single user can send to the hub per minute. Tools like Nginx or middleware in your code can handle this. 4. Error Handling and "Dead Letter" Queues If you need long-term storage (like user profiles),

If you are using WebSockets, ensure your load balancer supports "sticky sessions" so a user stays connected to the same hub instance during their session. Conclusion

Most hubs require instant updates (think dashboards or chat). Standard HTTP requests won't cut it because the server can't "talk" to the client unless asked.

How to Build a Server-Side Hub (Part 2/2): Logic & Execution