caching - Nginx proxy_no_cache 和 proxy_cache_bypass

Question

这是文档:

proxy_cache_bypass
Defines conditions under which the response will not be taken from a cache. If at least one value of the string parameters is not empty and is not equal to “0” then the response will not be taken from the cache:
proxy_cache_bypass $cookie_nocache $arg_nocache$arg_comment;
proxy_cache_bypass $http_pragma $http_authorization;
Can be used along with the proxy_no_cache directive.

proxy_no_cache
Defines conditions under which the response will not be saved to a cache. If at least one value of the string parameters is not empty and is not equal to “0” then the response will not be saved:
proxy_no_cache $cookie_nocache $arg_nocache$arg_comment;
proxy_no_cache $http_pragma $http_authorization;
Can be used along with the proxy_cache_bypass directive.

这是否意味着如果我想完全排除缓存中的某些内容，我应该同时设置 proxy_no_cache和 proxy_cache_bypass ?如果我只设置proxy_cache_bypass可以吗？ ?

Answer 1

是的。

如果您只有 proxy_cache_bypass 在您不希望缓存的页面(例如，登录用户)上设置为 true，那么它们仍将被保存到缓存中并提供给应该获取缓存页面的人(例如，非登录用户)。

但同时设置 proxy_cache_bypass 和 proxy_no_cache 为 true 意味着这些用户既不接收也不贡献缓存。