Why I don´t get a copy of my messages and I do get the rest of emails? I have just double checked my settings and I should get a copy of my messages
Miguel On 09/03/16 11:59 AM, Miguel González wrote: > Dear all, > > I have Varnish 4.0.3 in front of a WHM/Cpanel hosting around 40 > Wordpress sites. Only 4-5 sites are quite visited but the rest are blogs > that don´t have many visits. > > Varnish seems to work fine, I have increased the RAM of the VPS from 7 > to 21 Gb of RAM because from time to time the RAM of the system got > exhausted and I had to restart the OS. > > I have signed up in datadoghq to get a handle of how well Varnish is > doing and try to squeeze the performance of it. Mostly because I have > realized that when I test any site with a tool like pingdom, the first > test gets a worse performance than consecutive tests (when I assume > Varnish starts caching). > > I have assigned in malloc 6 Gb of RAM but I have been checking the > numbers provided by varnishstat and after 12 hours I don´t even get > close to 1 Gb of RAM (I assume c_bytes is what stands for) used by varnish: > > varnishstat -1 |grep SMA > SMA.s0.c_req 33969 0.76 Allocator > requests > SMA.s0.c_fail 0 0.00 Allocator > failures > SMA.s0.c_bytes 984052835 21896.06 Bytes allocated > SMA.s0.c_freed 395844358 8807.89 Bytes freed > SMA.s0.g_alloc 19833 . Allocations > outstanding > SMA.s0.g_bytes 588208477 . Bytes > outstanding > SMA.s0.g_space 5854242467 . Bytes available > > I had a ttl of 2 hours and now I have changed it to 24 hours, maybe I > will increase it if I see the RAM allocated to Varnish is not entirely > used. The bitrate is erratic, reaching almost 1 and then dropping to > less than 0.5. > > Are my assumptions right? > > Another question, I know that running varnishtop I get the current most > visited site, but how do I aggregate that info over the hours? I would > like to get a picture of which are the most used sites (I´m considering > separating storages and dedicate only RAM for the most used and have > disk storage for the rest). > > Thanks in advance > > Miguel > > ps: Here is my default.vcl > > # > # 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 http://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 std; > > # Default backend definition. Set this to point to your content server. > backend default { > .host = "MYIP"; > .port = "82"; > .connect_timeout = 600s; > .first_byte_timeout = 600s; > .between_bytes_timeout = 600s; > > > } > > acl purge { > "localhost"; > "127.0.0.1"; > "MYIP"; > } > > # This function is used when a request is send by a HTTP client (Browser) > sub vcl_recv { > > # remove ?ver=xxxxx strings from urls so css and js files are > cached. > # Watch out when upgrading WordPress, need to restart Varnish or > flush cache. > set req.url = regsub(req.url, "\?ver=.*$", ""); > > # Remove "replytocom" from requests to make caching better. > set req.url = regsub(req.url, "\?replytocom=.*$", ""); > > #We pass real IP to the backend > > 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; > } > } > > > # Normalize the header, remove the port (in case you're testing > this on various TCP ports) > > set req.http.Host = regsub(req.http.Host, ":[0-9]+", ""); > > # Remove has_js and CloudFlare/Google Analytics __* cookies. > set req.http.Cookie = regsuball(req.http.Cookie, > "(^|;\s*)(_[_a-z]+|has_js)=[^;]*", ""); > # Remove a ";" prefix, if present. > set req.http.Cookie = regsub(req.http.Cookie, "^;\s*", ""); > > > # Allow purging from ACL > if (req.method == "PURGE") { > # If not allowed then a error 405 is returned > if (!client.ip ~ purge) { > return(synth(405, "This IP is not allowed to > send PURGE requests.")); > } > # If allowed, do a cache_lookup -> vlc_hit() or vlc_miss() > return (purge); > } > > # Post requests will not be cached > #if (req.http.Authorization || req.method == "POST") { > # return (pass); > #} > > # Pass anything other than GET and HEAD directly. > if (req.method != "GET" && req.method != "HEAD") { > return( pass ); > } /* We only deal with GET and HEAD by default */ > > # --- WordPress specific configuration > > # Did not cache the admin and login pages > if (req.url ~ > "nocache|cart|my-account|checkout|addons|tienda|carro|wp-admin|wp-(comments-post|login|signup|activate|mail|cron)\.php|preview\=true|admin-ajax\.php|xmlrpc\.php|bb-admin|whm-server-status|server-status|control\.php|bb-login\.php|bb-reset-password\.php|register\.php") > { > return (pass); > } > > if (req.url ~ "(ajax|dynamic|custom)") { > return(pass); > } > > # Remove the "has_js" cookie > set req.http.Cookie = regsuball(req.http.Cookie, "has_js=[^;]+(; > )?", ""); > > # Remove any Google Analytics based cookies > set req.http.Cookie = regsuball(req.http.Cookie, "__utm.=[^;]+(; > )?", ""); > > # Remove the Quant Capital cookies (added by some plugin, all __qca) > set req.http.Cookie = regsuball(req.http.Cookie, "__qc.=[^;]+(; > )?", ""); > > # 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=[^;]+(; )?", ""); > > # Are there cookies left with only spaces or that are empty? > if (req.http.cookie ~ "^ *$") { > unset req.http.cookie; > } > > # Cache the following files extensions > if (req.url ~ "\.(txt|css|js|png|gif|jp(e)?g|swf|ico)") { > unset req.http.cookie; > } > > # Normalize Accept-Encoding header and compression > # https://www.varnish-cache.org/docs/3.0/tutorial/vary.html > if (req.http.Accept-Encoding) { > # Do no compress compressed files... > if (req.url ~ "\.(jpg|png|gif|gz|tgz|bz2|tbz|mp3|ogg)$") { > unset req.http.Accept-Encoding; > } elsif (req.http.Accept-Encoding ~ "gzip") { > set req.http.Accept-Encoding = "gzip"; > } elsif (req.http.Accept-Encoding ~ "deflate") { > set req.http.Accept-Encoding = "deflate"; > } else { > unset req.http.Accept-Encoding; > } > } > > # Check the cookies for wordpress-specific items > if (req.http.Cookie ~ "wordpress_" || req.http.Cookie ~ > "comment_") { > return (pass); > } > if (!req.http.cookie) { > unset req.http.cookie; > } > > # --- End of WordPress specific configuration > > # Did not cache HTTP authentication and HTTP Cookie > if (req.http.Authorization || req.http.Cookie) { > # Not cacheable by default > return (pass); > } > > # Cache all others requests > return (hash); > } > > sub vcl_pipe { > return (pipe); > } > > sub vcl_pass { > return (fetch); > } > > # The data on which the hashing will take place > sub vcl_hash { > hash_data(req.url); > if (req.http.host) { > hash_data(req.http.host); > } else { > hash_data(server.ip); > } > > # If the client supports compression, keep that in a different cache > if (req.http.Accept-Encoding) { > hash_data(req.http.Accept-Encoding); > } > > return (lookup); > } > > # This function is used when a request is sent by our backend (Nginx server) > sub vcl_backend_response { > # Remove some headers we never want to see > unset beresp.http.Server; > unset beresp.http.X-Powered-By; > > # For static content strip all backend cookies > if (bereq.url ~ "\.(css|js|png|gif|jp(e?)g)|swf|ico") { > unset beresp.http.cookie; > } > # Don't store backend > if (bereq.url ~ "wp-(login|admin)" || bereq.url ~ "preview=true") { > set beresp.uncacheable = true; > set beresp.ttl = 30s; > return (deliver); > } > > # Only allow cookies to be set if we're in admin area > if (!(bereq.url ~ > "(wp-login|cart|my-account|checkout|addons|tienda|carro|wp-admin|preview=true)")) > { > unset beresp.http.set-cookie; > } > > # don't cache response to posted requests or those with basic auth > if ( bereq.method == "POST" || bereq.http.Authorization ) { > set beresp.uncacheable = true; > set beresp.ttl = 120s; > return (deliver); > } > > # don't cache search results > if ( bereq.url ~ "\?s=" ){ > set beresp.uncacheable = true; > set beresp.ttl = 120s; > return (deliver); > } > > # only cache status ok > if ( beresp.status != 200 ) { > set beresp.uncacheable = true; > set beresp.ttl = 120s; > return (deliver); > } > > # A TTL of 24h > set beresp.ttl = 24h; > # Define the default grace period to serve cached content > #set beresp.grace = 30s; > set beresp.grace = 1h; > > return (deliver); > } > > # The routine when we deliver the HTTP request to the user > # Last chance to modify headers that are sent to the client > sub vcl_deliver { > if (obj.hits > 0) { > set resp.http.X-Cache = "cached"; > } else { > set resp.http.x-Cache = "uncached"; > } > > # Remove some headers: PHP version > unset resp.http.X-Powered-By; > > # Remove some headers: Apache version & OS > unset resp.http.Server; > > # Remove some heanders: Varnish > unset resp.http.Via; > unset resp.http.X-Varnish; > > return (deliver); > } > > sub vcl_init { > return (ok); > } > > sub vcl_fini { > return (ok); > } > > > > > > > > _______________________________________________ varnish-misc mailing list [email protected] https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
