Hello, I have created my own NGINX module, which get rest request and return a response.
When I send a response with status 500 (NGX_HTTP_INTERNAL_SERVER_ERROR) or 404 (NGX_HTTP_BAD_REQUEST) I see on the memory uses that the nginx processes is growing up
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
8734 ortal 20 0 7761628 7.335g 1736 S 69.0 47.9 0:28.37 nginx

I am using the function 'ngx_http_send_header' which I saw uses 'ngx_http_headers_filter' which hadnle the cases of NGX_HTTP_INTERNAL_SERVER_ERROR and NGX_HTTP_BAD_REQUEST different then NGX_HTTP_OK for example.

What am I doing wrong? Which function should I use to send a bad response?

Thanks