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Upstream: cache revalidation with conditional requests.
The following new directives are introduced: proxy_cache_revalidate,
fastcgi_cache_revalidate, scgi_cache_revalidate, uwsgi_cache_revalidate.
Default is off. When set to on, they enable cache revalidation using
conditional requests with If-Modified-Since for expired cache items.
As of now, no attempts are made to merge headers given in a 304 response
during cache revalidation with headers previously stored in a cache item.
Headers in a 304 response are only used to calculate new validity time
of a cache item.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 18 Nov 2013 20:48:22 +0400 |
parents | b5ba6f22a0fc |
children | 1cd63ae46243 |
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<!DOCTYPE html> <html> <head> <title>Error</title> <style> body { width: 35em; margin: 0 auto; font-family: Tahoma, Verdana, Arial, sans-serif; } </style> </head> <body> <h1>An error occurred.</h1> <p>Sorry, the page you are looking for is currently unavailable.<br/> Please try again later.</p> <p>If you are the system administrator of this resource then you should check the <a href="http://nginx.org/r/error_log">error log</a> for details.</p> <p><em>Faithfully yours, nginx.</em></p> </body> </html>