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Re: Directive proxy_next_upstream doesn't work?

Maxim Dounin
December 29, 2011 03:34AM
Hello!

On Thu, Dec 29, 2011 at 02:45:42AM -0500, defage wrote:

> nginx conf is:
>
> http {
> large_client_header_buffers 8 8k;
>
> proxy_buffers 8 8K;
> proxy_buffer_size 8K;
>
> open_file_cache max=1000 inactive=20s;
> open_file_cache_valid 30s;
> open_file_cache_min_uses 2;
> open_file_cache_errors on;
>
>
> upstream backend {
> server 10.10.2.100:8088 max_fails=200 fail_timeout=10;
> server 10.10.2.101:8088 max_fails=200 fail_timeout=10;
> server 10.10.2.102:8088 max_fails=200 fail_timeout=10;
> server 10.10.2.103:8088 max_fails=200 fail_timeout=10;
> }
>
> server {
> listen 80;
> server_name _;
> keepalive_timeout 60;
> proxy_set_header Host $http_host;
>
> proxy_connect_timeout 10;
> proxy_read_timeout 10;
> proxy_next_upstream error http_500 http_502 http_503
> http_504;
> add_header P3P "CP=CAO PSA OUR";
> add_header Cache-Control
> "must-revalidate,no-cache,private";
>
> location / {
> proxy_pass http://backend;
> }
> }
> }
>
> On my production, in the cases a server of upstream response http_504,
> but the request doesn't to be transmitted to the next server, nginx
> response http 504 to client.

A request is passed to a next server only if not all (alive)
upstream servers were tried yet. Otherwise response from last
tried server will be returned.

Maxim Dounin

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Subject Author Posted

Directive proxy_next_upstream doesn't work?

defage December 29, 2011 02:45AM

Re: Directive proxy_next_upstream doesn't work?

defage December 29, 2011 02:47AM

Re: Directive proxy_next_upstream doesn't work?

Maxim Dounin December 29, 2011 03:34AM

Re: Directive proxy_next_upstream doesn't work?

defage December 29, 2011 04:07AM

Re: Directive proxy_next_upstream doesn't work?

Maxim Dounin December 29, 2011 07:36AM



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