Upstream error

[Vivek Solanki]

Hi team,

Hope you all are doing well.

I need some assistance regarding nginx configuration. I am using nginx service as proxy_pass to other URL's

When I am performing load testing on nginx server with high no. of requests. For few tests it is running fine, But after some time it shows below upstream error message (5XX errors).

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2019/05/07 04:20:38 [error] 18168#0: *684822 no live upstreams while connecting to upstream, client: XX.XX.XX.XX, server: _, request: "GET https://XXXXXXXXXXXXXXXXXXXXXX/XXXXXXXXXXXXXXXX/XXXXXXXXXXX/XXXXX HTTP/1.1", upstream: " https://XXXXXXXXXXXXXXXXXXXXXX/XXXXXXXXXXXXXXXX/XXXXXXXXXXX/XXXXX ", host: " XXXXXXXXXXXXXXXXXX.XYZ.com "
2019/05/07 04:20:38 [error] 18168#0: *684820 connect() failed (110: Connection timed out) while connecting to upstream, client: XX.XX.XX.XX, server: _, request: "GET /XXXXXXXXXXXXXXXXXX/XXXXXXXXXXX/XXXXXXXXX/XXXXXXXXXXX HTTP/1.1", upstream: "https://XXXXXXXXXXXXXXXXXXXXXX/XXXXXXXXXXXXXXXX/XXXXXXXXXXX/XXXXX", host: "XXXXXXXXXXXXXXXXXX.XYZ.com"
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After restarting nginx servers, it will again work fine. But this is not a proper solution.

Please someone help me to resolve this issue permanently. Let me know if any further details required from my side.


Vivek Solanki
CloudOps Engineer
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