Mercurial > hg > nginx-site
comparison xml/en/docs/http/ngx_http_fastcgi_module.xml @ 942:ba3d6ade3513
Elaborate on upstream server failures.
Documented that {proxy,fastcgi,memcached}_next_upstream directives define
what is considered an unsuccessful attempt of communication with a server.
| author | Ruslan Ermilov <ru@nginx.com> |
|---|---|
| date | Fri, 05 Jul 2013 10:40:38 +0400 |
| parents | e26a18eb5ccd |
| children | 95c3c3bbf1ce |
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| 941:7d1d53d4d293 | 942:ba3d6ade3513 |
|---|---|
| 8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> | 8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
| 9 | 9 |
| 10 <module name="Module ngx_http_fastcgi_module" | 10 <module name="Module ngx_http_fastcgi_module" |
| 11 link="/en/docs/http/ngx_http_fastcgi_module.html" | 11 link="/en/docs/http/ngx_http_fastcgi_module.html" |
| 12 lang="en" | 12 lang="en" |
| 13 rev="8"> | 13 rev="9"> |
| 14 | 14 |
| 15 <section id="summary"> | 15 <section id="summary"> |
| 16 | 16 |
| 17 <para> | 17 <para> |
| 18 The <literal>ngx_http_fastcgi_module</literal> module allows to pass | 18 The <literal>ngx_http_fastcgi_module</literal> module allows to pass |
| 693 only possible if a client was not sent anything yet. | 693 only possible if a client was not sent anything yet. |
| 694 That is, if an error or a timeout occurs in the middle of | 694 That is, if an error or a timeout occurs in the middle of |
| 695 transferring a response, fixing this is impossible. | 695 transferring a response, fixing this is impossible. |
| 696 </para> | 696 </para> |
| 697 | 697 |
| 698 <para> | |
| 699 The directive also defines what is considered an unsuccessful attempt | |
| 700 of communication with a | |
| 701 <link doc="ngx_http_upstream_module.xml" id="server"/>. | |
| 702 The cases of <literal>error</literal>, <literal>timeout</literal> and | |
| 703 <literal>invalid_header</literal> are always considered unsuccessful attempts, | |
| 704 even if they are not specified in the directive. | |
| 705 The cases of <literal>http_500</literal> and <literal>http_503</literal> are | |
| 706 considered unsuccessful attempts only if they are specified in the directive. | |
| 707 The cases of <literal>http_403</literal> and <literal>http_404</literal> | |
| 708 are never considered unsuccessful attempts. | |
| 709 </para> | |
| 710 | |
| 698 </directive> | 711 </directive> |
| 699 | 712 |
| 700 | 713 |
| 701 <directive name="fastcgi_no_cache"> | 714 <directive name="fastcgi_no_cache"> |
| 702 <syntax><value>string</value> ...</syntax> | 715 <syntax><value>string</value> ...</syntax> |