The use of WebSockets has increased the AWS bill... by one million USD
The article discusses the mistakes that can lead to significant expenses on the AWS platform, particularly in the context of WebSockets. The author shares insights from their team’s experience, which faced an unexpected increase in costs, hitting one million dollars due to mismanagement of WebSocket connections. A critical point is that the need for continuously maintaining open WebSocket connections can drastically elevate costs, especially when appropriate optimization practices are not implemented. The team identified several solutions, including automating monitoring processes and adopting proper scaling strategies. Ultimately, the author encourages caution and thorough analysis before deciding to implement WebSockets in production applications to avoid hidden cost traps. A modern approach to managing AWS costs requires consistent monitoring and proactive measures to mitigate unforeseen expenses.