convex-realtime

Real-time data subscriptions in a Convex React app use the useQuery hook to subscribe UI components to live data changes. This reactive pattern updates the interface instantly whenever backend data changes.

Optimistic updates with Convex provide deterministic state management by immediately reflecting expected UI changes before server confirmation. This pattern reduces perceived latency and keeps collaborative interfaces responsive.

Cursor-based pagination in Convex enables efficient data loading for large lists by tracking position with cursors instead of offsets. This method ensures consistent real-time subscriptions even as underlying data shifts.

Smart caching reduces latency in React dashboards by automatically managing subscription data locally. Convex handles cache invalidation and updates, ensuring your UI displays consistent live data without manual fetching logic.

Manual cache invalidation is not needed for real-time Convex queries. The framework's automatic subscriptions and smart caching mechanisms handle data synchronization and invalidate caches automatically when backend changes occur.