WebSocket Intermittency in Render Cloud: Reliable Locally, Unstable in Cloud Deployment

1

I’ve developed a real-time application using Node.js and React, with WebSockets to handle live data updates. While everything functions as expected locally, I’m experiencing intermittent WebSocket issues in the cloud environment on Render.

The problem:
The WebSocket connection doesn’t consistently display data in real-time—sometimes it works as expected, and other times it fails to update. This behavior only occurs in the cloud, and I haven’t encountered similar issues on my local setup.

Could you please assist me in identifying possible causes? Any insights on cloud-specific WebSocket limitations or recommendations for configuration adjustments would be greatly appreciated.

Thank you for your help!

2

This could be related to issues I have been facing for the last few hours with my deployments. They started randomly timing out, getting a 502 yet no error logs are being displayed. I have redeployed multiple times in different regions. I’d suggest you try this.

3

Hi,

I’ve replied to the ticket you also opened. Let’s keep the conversation in one place (on the ticket). Then you can update this post when we get to the solution.