Configure Reconnection Options
Socket.IO allows you to customize reconnection behavior when initializing the client.
Important options include:
reconnection: Enables or disables automatic reconnection.reconnectionAttempts: Maximum number of reconnection attempts.reconnectionDelay: Initial delay between attempts.reconnectionDelayMax: Maximum delay between attempts.randomizationFactor: Adds randomness to retry delays.
The client uses backoff behavior to avoid repeatedly reconnecting at an excessive rate.
Reconnection Strategy
Use reasonable retry limits and delays. Aggressive reconnection can increase load when a server or network is experiencing an outage.
Configure Client Reconnection
const socket = io({
reconnection: true,
reconnectionAttempts: 10,
reconnectionDelay: 1000,
reconnectionDelayMax: 5000,
randomizationFactor: 0.5
});Enables automatic reconnection with a maximum of ten attempts, an initial delay of one second, and a maximum delay of five seconds.
Key Takeaways
Reconnection behavior is configurable.
Backoff reduces excessive retry traffic.
Choose retry policies according to application requirements.