我想知道是否有人可以给我指明正确的方向。我的托管服务提供商的 VPS 发生了一些变化，从那时起，很多事情都出了问题。其中之一就是 Varnish - 我不得不重建我的整个 Varnish 配置，从那时起，每隔几个小时，我的几个网站就会遇到 404 Forbidden 错误，只能通过 SSH 手动重新启动 Varnish 来解决。我已将我的配置附加在下面。如果有人能帮助我，那就太好了。现在真的开始抓狂了！
backend default {
.host = "publicIP";
.port = "8080";
}
acl purge { "localhost"; "127.0.0.1"; "publicIP";}
sub vcl_recv {
# IP forwarding.
if (req.restarts == 0) {
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;
}
}
# Don't serve cached pages to logged in users
if ( req.http.cookie ~ "wordpress_logged_in" || req.url ~ "vaultpress=true" ) {
return( pass );
}
if (req.request == "PURGE") {
if (!client.ip ~ purge) {
error 405 "Not allowed.";
}
return (lookup);
}
#set req.grace = 60m;
if (req.request != "GET" && req.request != "HEAD" && req.request != "PUT" && req.request != "POST" && req.request != "TRACE" && req.request != "OPTIONS" && req.request != "DELETE") {
return (pipe); }
if (req.request != "GET" && req.request != "HEAD") {
return (pass); }
#if (req.http.Authorization || req.http.Cookie) {
#return (pass); }
return (lookup);
# Set X-Forwarded-For header for logging in nginx
remove req.http.X-Forwarded-For;
set req.http.X-Forwarded-For = client.ip;
# Remove has_js and CloudFlare/Google Analytics __* cookies and statcounter is_unique
set req.http.Cookie = regsuball(req.http.Cookie, "(^|;\s*)(_[_a-z]+|has_js|is_unique)=[^;]*", "");
# Remove a ";" prefix, if present.
set req.http.Cookie = regsub(req.http.Cookie, "^;\s*", "");
# Either the admin pages or the login
if (req.url ~ "/wp-(login|admin|cron|cart|my-account|checkout|addons|administrator)") {
# Don't cache, pass to backend
return (pass);
}
if (req.url ~ "/administrator") {
return (pass);
}
if ( req.url ~ "\?add-to-cart=" ) {
return (pass);
}
if (req.url ~ "/(contact-us|contact|get-a-quote|upload-files|competition)")
{
return(pass);
}
# Never cache PUT, PATCH, DELETE or POST requests
#if (req.method == "PUT" || req.method == "PATCH" || req.method == "DELETE" || req.method == "POST") {
#return (pass);
#}
# Remove the wp-settings-1 cookie
set req.http.Cookie = regsuball(req.http.Cookie, "wp-settings-1=[^;]+(; )?", "");
# Remove the wp-settings-time-1 cookie
set req.http.Cookie = regsuball(req.http.Cookie,
"wp-settings-time-1=[^;]+(; )?", "");
# Remove the wp test cookie
set req.http.Cookie = regsuball(req.http.Cookie,
"wordpress_test_cookie=[^;]+(;)?", "");
# Static content unique to the theme can be cached (so no user uploaded images)
# The reason I don't take the wp-content/uploads is because of cache size on bigger blogs
# that would fill up with all those files getting pushed into cache
if (req.url ~ "lib/themes/" && req.url ~
"\.(css|js|png|gif|jp(e)?g)") {
unset req.http.cookie;
}
# Even if no cookies are present, I don't want my "uploads" to be cached due to their potential size
if (req.url ~ "/lib/uploads/") {
return (pass);
}
# any pages with captchas need to be excluded
if (req.url ~ "^/contact/" || req.url ~ "^/links/domains-for-sale/")
{
return(pass);
}
# Check the cookies for wordpress-specific items
if (req.http.Cookie ~ "wordpress_" || req.http.Cookie ~ "comment_") {
# A wordpress specific cookie has been set
return (pass);
}
# allow PURGE from localhost
if (req.request == "PURGE") {
if (!client.ip ~ purge) {
error 405 "Not allowed.";
}
return (lookup);
}
# Force lookup if the request is a no-cache request from the client
if (req.http.Cache-Control ~ "no-cache") {
return (pass);
}
# Try a cache-lookup
return (lookup);
}
sub vcl_fetch {
#set obj.grace = 5m;
#set beresp.grace = 60m;
set beresp.http.Vary = "Accept-Encoding";
# Images
if (req.url ~ "\.(jpg|jpeg|png|gif|ico|tiff|tif|bmp|ppm|pgm|xcf|psd|webp|svg)") {
unset beresp.http.cookie;
set beresp.http.cache-control = "max-age=2592000";
return (hit_for_pass);
}
if (!(req.url ~ "wp-(login|admin|cron|cart|my-account|checkout|addons|administrator)")) {
set beresp.ttl = 6h;
set beresp.http.cache-control = "max-age=1800, must-revalidate";
}
}
sub vcl_hit {
if (req.request == "PURGE") {
purge;
error 200 "Purged.";
}
}
sub vcl_miss {
if (req.request == "PURGE") {
purge;
error 200 "Purged.";
}
}
sub vcl_deliver {
# multi-server webfarm? set a variable here so you can check
# the headers to see which frontend served the request
# set resp.http.X-Server = "server-01";
if (obj.hits > 0) {
set resp.http.X-Cache = "HIT";
} else {
set resp.http.X-Cache = "MISS";
}
if (resp.http.magicmarker) {
/* Remove the magic marker */
unset resp.http.magicmarker;
/* By definition we have a fresh object */
set resp.http.age = "0";
}
}
答案1
如果这种情况每隔几个小时发生一次，并在重新启动 Varnish 后消失，则似乎是内存问题。
您如何存储清漆缓存，当发生这种情况时，您是否检查清漆缓存是否已满？