Question

我想使用Varnish for Symfony和我的eZ Platform CMS。我已按照本教程设置我的清漆：http://book.varnish-software.com/4.0/chapters/Getting_Started.html#exercise-install-varnish

所以我有以下工作服务器：

清漆收听端口80
Varnish在localhost上使用后端：8080
Apache监听localhost：8080

我还设置了我的eZ平台ezplatform.yml和ezplatform.conf，以禁用默认缓存并启用清漆（我猜）。

我在文档https://doc.ez.no/display/TECHDOC/Using+Varnish中添加了这两行到ezplatform.conf：

SetEnv USE_HTTP_CACHE 0 
SetEnv TRUSTED_PROXIES "0.0.0.0"

我把0.0.0.0用于Varnish服务器IP地址，因为netstat -nlpt检索了Varnish服务器的以下地址：

tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      11151/varnishd      
tcp        0      0 127.0.0.1:1234          0.0.0.0:*               LISTEN      11151/varnishd

所以我猜这是正确的价值。然后，我将以下行添加到我的ezplatform.yml（检查上面的文档）：

ezpublish:
    http_cache:
        purge_type: http
    siteaccess:
        list: [site]
        groups:
            http_cache:
              purge_servers: 0.0.0.0:80

Varnish和httpd重新启动。然后，我检查了本地网站是否使用了Varnish，检查了HTTP标头，我得到了这个：

Via: "1.1 varnish-v4"
X-Varnish: "32808"

我猜，这是一个很好的进步。无论如何，在Symfony剖析器中，我仍然有以下内容：

Cache Information
   Default Cache    default
   Available Drivers    Apc, BlackHole, FileSystem, Memcache, Redis, SQLite
   Total Requests   349
   Total Hits   349
Cache Service: default
   Drivers  FileSystem
   Calls    349
   Hits     349
   Doctrine Adapter     false
   Cache In-Memory  true

仍然可以得到这个吗？它不应该像Default Cache：varnish而不是default？如何检查我的Varnish当前是否在我的网站上运行而不是symfony默认缓存？

是的，这是我的vcl文件：

#
# This is an example VCL file for Varnish.
#
# It does not do anything by default, delegating control to the
# builtin VCL. The builtin VCL is called when there is no explicit
# return statement.
#
# See the VCL chapters in the Users Guide at https://www.varnish-cache.org/docs/
# and https://www.varnish-cache.org/trac/wiki/VCLExamples for more examples.

# Marker to tell the VCL compiler that this VCL has been adapted to the
# new 4.0 format.
vcl 4.0;
import directors;

# Default backend definition. Set this to point to your content server.
backend default {
    .host = "127.0.0.1";
    .port = "8080";
}

sub vcl_init {
    new backs = directors.hash();
    backs.add_backend(default, 1);
}

sub vcl_recv {
    # Happens before we check if we have this in cache already.
    #
    # Typically you clean up the request here, removing cookies you don't need,
    # rewriting the request, etc.
    set req.http.X-cookie = req.http.cookie;
    if (!req.http.Cookie ~ "Logged-In") {
         unset req.http.Cookie;
    }
    if (req.url ~ "\.(png|gif|jpg|png|css|js|html)$") {
         unset req.http.Cookie;
    }
}

sub vcl_backend_response {
    # Happens after we have read the response headers from the backend.
    #
    # Here you clean the response headers, removing silly Set-Cookie headers
    # and other mistakes your backend does.
}

sub vcl_deliver {
    # Happens when we have all the pieces we need, and are about to send the
    # response to the client.
    #
    # You can do accounting or modifying the final object here.
}

即使没有完成，我也不知道Symfony默认缓存是如何工作的，因为我已经在配置文件中禁用了它。

感谢您的帮助。

Answer 1

如果您看到类似

的内容

Via: "1.1 varnish-v4"
X-Varnish: "32808"

你的清漆工作正常。为什么禁用symfony缓存呢？你可以同时使用......可能没有意义。这在很大程度上取决于程序逻辑。

如果您想在开发过程中更深入地了解清漆，可以添加以下几行：

sub vcl_deliver {
  if (obj.hits > 0) { # Add debug header to see if it's a HIT/MISS
    set resp.http.X-Cache = "HIT";
  } else {
    set resp.http.X-Cache = "MISS";
  }
  # show how ofthe the object created a hit so far (reset on miss)
  set resp.http.X-Cache-Hits = obj.hits;
}

如何检查Symfony是否激活了Varnish？

1 个答案: