pubnub-scale

To scale PubNub real-time apps, you use channel groups and wildcard subscriptions to reduce subscription overhead, alongside payload optimization and batching to maximize throughput and maintain sub-100ms delivery latency.

The best way to manage many PubNub subscriptions is using channel groups, which allow clients to subscribe to thousands of channels through a single connection, significantly reducing connection overhead and improving operational scale.

Wildcard subscriptions in PubNub work by matching channel name patterns, allowing you to receive hierarchical data streams without explicitly subscribing to exploding channel lists, provided the Stream Controller feature is enabled.

Yes, you must enable the Stream Controller add-on to use wildcard subscriptions and channel groups in PubNub, as it enforces the necessary requirements for managing large data streams and achieving sub-100ms delivery targets.

You optimize PubNub throughput by minimizing payload sizes and grouping messages into batches, which reduces network overhead and ensures high-volume data streams achieve reliable sub-100ms delivery performance.

Monitoring patterns for high-volume PubNub applications involve tracking delivery latency, subscription overhead, and persistence considerations to ensure reliable performance and sub-100ms data delivery targets under high concurrency.