RTFM: - upstream <http://nginx.org/en/docs/http/ngx_http_upstream_module.html> module (specifically the server <http://nginx.org/en/docs/http/ngx_http_upstream_module.html#server> directive) - *_next_upstream & *_*_timeout directives, for each backend communication module and type of timeout
The names are so close to your requests I suspect you have not made your part of the deal <http://www.catb.org/esr/faqs/smart-questions.html>. --- *B. R.* On Fri, Jun 10, 2016 at 10:08 AM, Artur <ng...@netdirect.fr> wrote: > Hello ! > > I have a nginx reverse proxy http/https for a node.js application with > websockets (an extract of the nginx config follows). > > I would like to know if there is a way to : > > - force nginx to retry connection to the same upstream if there is any > problem with the initial request to the upstream (timeout, > reading/writing timeouts, ...) > > - do not blacklist an upstream if any error occurs > > - do not retry on another upstream > > - adjust timeouts on communications between nginx and upstreams > (connexion, read, write, ...) > > I tested some parameters in the 'tests' block below but i'm not sure > that there is any other paramater I can play with. > > http { > upstream application { > server 127.0.0.1:3030; > server 127.0.0.1:3031; > server 127.0.0.1:3032; > } > } > > server { > location /nodejs/application/ { > proxy_pass http://application; > proxy_redirect off; > > # prevents 502 bad gateway error > proxy_buffers 8 32k; > proxy_buffer_size 64k; > > # enables WS support > proxy_http_version 1.1; > proxy_set_header Upgrade $http_upgrade; > proxy_set_header Connection $connection_upgrade; > > # tests > proxy_connect_timeout 75s; > proxy_read_timeout 300s; > proxy_send_timeout 300s; > proxy_next_upstream off; > } > } > > Thank you for your feedback. > > -- > > Best regards, > Artur. > > _______________________________________________ > nginx mailing list > nginx@nginx.org > http://mailman.nginx.org/mailman/listinfo/nginx >
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