清漆会cachinglogin到用户页面并提供这些页面

当用户login时，我设置了logged_in cookie。 如果logged_in cookie存在，varnish将不caching请求。

这是我的vcl_recv

sub vcl_recv { if (req.backend.healthy) { set req.grace = 30s; } else { set req.grace = 1h; } # Handle compression correctly. Different browsers send different # "Accept-Encoding" headers, even though they mostly support the same # compression mechanisms. By consolidating compression headers into # a consistent format, we reduce the cache size and get more hits. # @see: http:// varnish.projects.linpro.no/wiki/FAQ/Compression if (req.http.Accept-Encoding) { if (req.http.Accept-Encoding ~ "gzip") { # If the browser supports it, we'll use gzip. set req.http.Accept-Encoding = "gzip"; } else if (req.http.Accept-Encoding ~ "deflate") { # Next, try deflate if it is supported. set req.http.Accept-Encoding = "deflate"; } else { # Unknown algorithm. Remove it and send unencoded. unset req.http.Accept-Encoding; } } # Set client IP if (req.http.x-forwarded-for) { set req.http.X-Forwarded-For = req.http.X-Forwarded-For + ", " + client.ip; } else { set req.http.X-Forwarded-For = client.ip; } if (req.http.Authorization || req.http.Authenticate) { return (pass); } if (req.url ~ "^/registration" || req.url ~ "^/blog/viewnoti/" || req.url ~ "^/action/insert_user" || req.url ~ "^/loginmanager.*$") { return (pass); } if (req.request != "GET" && req.request != "HEAD" && req.request != "PUT" && req.request != "POST" && req.request != "TRACE" && req.request != "OPTIONS" && req.request != "DELETE") { # /* Non-RFC2616 or CONNECT which is weird. */ return (pipe); } if (req.request != "GET" && req.request != "HEAD") { # /* We only deal with GET and HEAD by default */ return (pass); } if (!req.backend.healthy) { unset req.http.Cookie; } if (req.http.cookie ~ "logged_in") { return (pass); } if (req.http.Cache-Control ~ "(no-cache|no-store|private)") { return (pass); } if (req.http.cookie) { # removes all cookies named __utm? (utma, utmb...) - tracking thing set req.http.cookie = regsuball(req.http.cookie, "(^|; ) *__utm.=[^;]+;? *", "\1"); if (req.http.cookie == "") { unset req.http.cookie; } } return (lookup); } 

这是我的vcl_fetch

 sub vcl_fetch { if (req.url ~ "^/" || req.url ~ "^/live" || req.url ~ "^/selected" ) { set beresp.ttl = 5m; } else { set beresp.ttl = 30m; } if (req.http.cookie ~ "logged_in") { set beresp.ttl = 0s; } if (req.http.Cache-Control ~ "(no-cache|no-store|private)") { set beresp.ttl = 0s; } # Set Grace Time to one hour set beresp.grace = 2h; } 

Varnish正在cachinglogin的用户请求，并为访问者和其他login用户提供这些页面。 我不明白为什么这样做。

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 sub vcl_hash { hash_data(req.http.cookie); }