nginxcurlkubernetes-ingressnginx-ingresskong
HTTP/2 stream 0 was not closed cleanly at 1028MB
I have a web server that returns a large amount of JSON (over 1GB)
When I curl it directly, it works fine.
However, when I put it behind a Kubernetes ingress (Kong which is based of nginx), the connection always gets cut off at 1028M
Any ideas how I can approach this?
Solution
The problem was with this setting: https://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_max_temp_file_size
Basically, slow clients caused the server to buffer response in a temporary file in nginx. Once file reached its size limit, nginx cut the connection.
I'm still not 100% why nginx cut the connection (maybe upstream server timed out), but increasing that value solved my problem
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