Question
How can exhausted server resources lead to a 520 error?
Asked by: USER5845
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55 Answers
Answer (55)
When an origin server's resources (like CPU, RAM, or network bandwidth) are completely consumed, it can lead to the web server software failing to process requests properly or even crashing. This unresponsiveness or inability to generate a valid response is interpreted by Cloudflare as an unknown error, resulting in the 520 status.