ASP.NET 性能优化之反向代理缓存使用介绍(2)

sub vcl_hit {
if(req.http.Cache-Control~"no-cache"||req.http.Cache-Control~"max-age=0"||req.http.Pragma~"no-cache"){
set obj.ttl=0s;
return (restart);
}
return (deliver);
}

经过上面的修改后，再次使用强制更新varnish将会忽略缓存，到IIS上去拿正文。
参考：
https://www.varnish-cache.org/docs/trunk/reference/varnishlog.html
https://www.varnish-cache.org/trac/wiki/Introduction#TheVarnishConfigurationLanguage

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