Need help with Real-time Data Sync using Socket.io and SQL for an Emergency Response App.

Question

Hi everyone! I am building Guardian-Link , a project for a hackathon that integrates real-time emergency alerts with resource allocation. Tech Stack: React.js, Node.js, Socket.io , and MySQL. The Issue: I want to ensure that when an emergency is triggered via Socket.io , the incident is simultaneously logged into my SQL database without slowing down the real-time alert sent to other users. Specific Question: What is the best practice to handle database writes (SQL) and real-time broadcasts (WebSockets) together to ensure high performance? Any advice or documentation links would be great! Thanks.

Deepak Tewatia · Accepted Answer

Hi Ankur,

Send the alert to users instantly and handle the database save separately in the background so it doesn’t slow things down, also to scale up this you can push the data into a queue so a worker can safely handle database writes without affecting real-time performance.

Trigger Event then -> Send Socket Alert -> Save to MySQL DB (async)

Need help with Real-time Data Sync using Socket.io and SQL for an Emergency Response App.

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