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diff xml/en/docs/http/ngx_http_fastcgi_module.xml @ 942:ba3d6ade3513

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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
line wrap: on
line diff
--- a/xml/en/docs/http/ngx_http_fastcgi_module.xml	Fri Jul 05 08:11:37 2013 +0400
+++ b/xml/en/docs/http/ngx_http_fastcgi_module.xml	Fri Jul 05 10:40:38 2013 +0400
@@ -10,7 +10,7 @@
 <module name="Module ngx_http_fastcgi_module"
         link="/en/docs/http/ngx_http_fastcgi_module.html"
         lang="en"
-        rev="8">
+        rev="9">
 
 <section id="summary">
 
@@ -695,6 +695,19 @@
 transferring a response, fixing this is impossible.
 </para>
 
+<para>
+The directive also defines what is considered an unsuccessful attempt
+of communication with a
+<link doc="ngx_http_upstream_module.xml" id="server"/>.
+The cases of <literal>error</literal>, <literal>timeout</literal> and
+<literal>invalid_header</literal> are always considered unsuccessful attempts,
+even if they are not specified in the directive.
+The cases of <literal>http_500</literal> and <literal>http_503</literal> are
+considered unsuccessful attempts only if they are specified in the directive.
+The cases of <literal>http_403</literal> and <literal>http_404</literal>
+are never considered unsuccessful attempts.
+</para>
+
 </directive>