Varnish CPU Usage
Ayberk Kimsesiz
ayberk.kimsesiz at gmail.com
Tue Aug 2 19:05:02 CEST 2016
Results:
wp-content/plugins/popup-by-supsystic/js/core.js:108: data +=
'&reqType=ajax';
wp-content/plugins/popup-by-supsystic/js/core.js:111:
data['reqType'] = 'ajax';
wp-content/plugins/popup-by-supsystic/classes/frame.php:252:
switch(reqPps::getVar('reqType')) {
wp-content/plugins/popup-by-supsystic/classes/helpers/recapcha.php:22:
if(reqPps::getVar('reqType') == 'ajax') {
wp-content/plugins/popup-by-supsystic/classes/tables/statistics.php:11:
->_addField('is_unique', 'text', 'int') // Is stat value
- unique
wp-content/plugins/popup-by-supsystic/classes/installer.php:140:
`is_unique` TINYINT(1) NOT NULL DEFAULT '0',
wp-content/plugins/popup-by-supsystic/classes/installer.php:148:
if(!dbPps::exist("@__statistics", "is_unique")) { // Uniqu
e
wp-content/plugins/popup-by-supsystic/classes/installer.php:149:
dbPps::query("ALTER TABLE `@__statistics` ADD COLUMN `is
_unique` TINYINT(1) NOT NULL DEFAULT
'0';");
wp-content/plugins/popup-by-supsystic/classes/response.php:14:
return reqPps::getVar('reqType');
wp-content/plugins/popup-by-supsystic/classes/uri.php:67:
if(isset($data['reqType']) && $data['reqType'] == 'ajax'
) {
wp-content/plugins/popup-by-supsystic/modules/statistics/models/statistics.php:12:
if($d['type'] == 'share' && isset($d['sm
_type']) && !empty($d['sm_type'])) {
wp-content/plugins/popup-by-supsystic/modules/statistics/models/statistics.php:13:
$smId = (int) framePps::_()->get
Module('sm')->getTypeIdByCode( $d['sm_type']
);
wp-content/plugins/popup-by-supsystic/modules/statistics/models/statistics.php:16:
if(isset($d['is_unique']) && !empty($d['
is_unique'])) {
wp-content/plugins/popup-by-supsystic/modules/statistics/models/statistics.php:32:
'is_unique' => $isUnique,
wp-content/plugins/popup-by-supsystic/modules/statistics/models/statistics.php:70:
return $this->setSelectFields('COUNT(*) AS total
_requests, SUM(is_unique) AS unique_requests,
'. $sqlDateFormat. ' AS date')
wp-content/plugins/popup-by-supsystic/modules/statistics/models/statistics.php:85:
$data[ $i ]['sm_type'] = framePp
s::_()->getModule('sm')->getTypeById(
$row['sm_id'] );
wp-content/plugins/popup-by-supsystic/modules/statistics/js/admin.statistics.popup.edit.js:151:
if(ppsPopupAllShareStats
[i].sm_type) {
wp-content/plugins/popup-by-supsystic/modules/statistics/js/admin.statistics.popup.edit.js:152:
plotData.push([
ppsPopupAllShareStats[i].sm_type.label,
parseInt(ppsPopupAllShareStats[i].total_requests) ]);
wp-content/plugins/popup-by-supsystic/modules/statistics/controller.php:5:
$connectHash = reqPps::getVar('connect_hash', 'post');
wp-content/plugins/popup-by-supsystic/modules/popup/views/popup.php:11:
framePps::_()->addJSVar('admin.popup.list', 'ppsTblDataUrl', uri
Pps::mod('popup', 'getListForTbl',
array('reqType' => 'ajax')));
wp-content/plugins/popup-by-supsystic/modules/popup/mod.php:299:
$popups[ $i ]['connect_hash'] = md5(date('m-d-Y'). $popu
ps[ $i ]['id']. NONCE_KEY);
wp-content/plugins/popup-by-supsystic/modules/popup/js/frontend.popup.js:451:
, data: {mod: 'statistics', action: 'add', id: popup.id, t
ype: action, sm_type: smType,
is_unique: isUnique, 'connect_hash': popup.connect_hash}
2016-08-02 19:54 GMT+03:00 Andrei <lagged at gmail.com>:
> Can you copy/paste what you're seeing? As long as you run it from the
> WordPress docroot, and the plugins/themes folder locations haven't been
> customized, it should look something like this but with matches from grep:
>
> root at aviator [/home/gog/public_html]# egrep -Rn
> 'sm_type|is_unique|connect_hash|reqType' wp-content/{plugins,themes}
> root at aviator [/home/gog/public_html]#
>
>
> On Tue, Aug 2, 2016 at 11:39 AM, Ayberk Kimsesiz <
> ayberk.kimsesiz at gmail.com> wrote:
>
>> I'm getting "*no such file or directory*" error.
>>
>> 2016-08-02 19:20 GMT+03:00 Andrei <lagged at gmail.com>:
>>
>>> Ok now just type the following from the wp docroot to find your culprit:
>>> egrep -Rn 'sm_type|is_unique|connect_hash|reqType'
>>> wp-content/{plugins,themes}
>>>
>>> On Tue, Aug 2, 2016 at 10:58 AM, Ayberk Kimsesiz <
>>> ayberk.kimsesiz at gmail.com> wrote:
>>>
>>>> Hi Andrei,
>>>>
>>>> Here are the results:
>>>>
>>>> T *****:56538 -> ******:8080 [AP]
>>>> POST /wp-admin/admin-ajax.php HTTP/1.1.
>>>> Host: *******.com.
>>>> Accept-Language: tr-tr.
>>>> User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 10_0 like Mac OS X)
>>>> AppleWebKit/6 02.1.40 (KHTML, like Gecko) Version/10.0 Mobile/14A5309d
>>>> Safari/602.1.
>>>> X-Requested-With: XMLHttpRequest.
>>>> Accept: application/json, text/javascript, */*; q=0.01.
>>>> Referer: http://******/.
>>>> Content-Type: application/x-www-form-urlencoded; charset=UTF-8.
>>>> Content-Length: 130.
>>>> Origin: http://****.com.
>>>> X-Actual-IP: 5.46.70.115.
>>>> Cookie:
>>>> pps_show_100=Tue%20Aug%2002%202016%2018%3A50%3A21%20GMT+0300%20%28EEST%2
>>>> 9;
>>>> pps_times_showed_100=1.
>>>> X-Forwarded-For: 5.46.70.115, 5.46.70.115, 5.46.70.115.
>>>> Accept-Encoding: gzip.
>>>> X-Varnish: 39754073.
>>>> .
>>>> mod=statistics&action=add&id=100&type=show&sm_type=0&is_unique=1&connect_hash=c1
>>>>
>>>> 532a201e2ee25540c61d3199e0e960&pl=pps&reqType=ajax
>>>>
>>>>
>>>>
>>>> T *****:56652 -> ******:8080 [AP]
>>>> POST /wp-admin/admin-ajax.php HTTP/1.1.
>>>> Host: *****.com.
>>>> Content-Length: 130.
>>>> Origin: http://*****.com.
>>>> X-Requested-With: XMLHttpRequest.
>>>> User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:46.0)
>>>> Gecko/20100101 Firefox/46.19.
>>>> Content-Type: application/x-www-form-urlencoded; charset=UTF-8.
>>>> Accept: application/json, text/javascript, */*; q=0.01.
>>>> Referer: https://www.yandex.com.tr/.
>>>> Accept-Language: en-us,en.
>>>> Accept-Charset: iso-8859-1,*,utf-8.
>>>> X-Actual-IP: 78.173.206.179.
>>>> Cookie: PHPSESSID=br4avjrtmgd0e2j04eoelev4r6;
>>>> pps_show_100=Tue%20Aug%2002%202016%2018%3A51%3A14%20GMT+0300%20%28Turkey%20Daylight%20
>>>> Time%29; pps_times_showed_100=2.
>>>> X-Forwarded-For: 78.173.206.179, 78.173.206.179, 78.173.206.179.
>>>> Accept-Encoding: gzip.
>>>> X-Varnish: 37456291.
>>>> .
>>>>
>>>> mod=statistics&action=add&id=100&type=show&sm_type=0&is_unique=0&connect_hash=c1532a201e2ee25540c61d3199e0e960&pl=pps&reqType=ajax
>>>>
>>>>
>>>> T *****:56630 -> *****.10:8080 [AP]
>>>> POST /wp-admin/admin-ajax.php HTTP/1.1.
>>>> Host: *****.com.
>>>> Content-Length: 130.
>>>> Origin: http://*****.com.
>>>> X-Requested-With: XMLHttpRequest.
>>>> User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:46.0)
>>>> Gecko/20100101 Firefox/46.8.
>>>> Content-Type: application/x-www-form-urlencoded; charset=UTF-8.
>>>> Accept: application/json, text/javascript, */*; q=0.01.
>>>> Referer: https://google.com.tr/.
>>>> Accept-Language: en-us,en.
>>>> Accept-Charset: iso-8859-1,*,utf-8.
>>>> X-Actual-IP: 46.197.96.35.
>>>> Cookie:
>>>> pps_show_100=Tue%20Aug%2002%202016%2018%3A51%3A27%20GMT+0300%20%28T%FCrkiye%20Yaz%20Saati%29;
>>>> pps_times_showed_100=1.
>>>> X-Forwarded-For: 46.197.96.35, 46.197.96.35, 46.197.96.35.
>>>> Accept-Encoding: gzip.
>>>> X-Varnish: 35061669.
>>>>
>>>> Heartbeat plugin didn't fix it by the way.
>>>>
>>>> 2016-08-02 18:45 GMT+03:00 Andrei <lagged at gmail.com>:
>>>>
>>>>> Those admin-ajax.php POST requests won't get cached, and are likely
>>>>> related to WordPress heartbeats, or plugins. The quickest way to see what
>>>>> those requests actually are, which will help you identify the plugin/theme
>>>>> option is using ngrep: ngrep 'admin-ajax' -d any dst port 8080 -W byline -q
>>>>>
>>>>> On Tue, Aug 2, 2016 at 9:43 AM, MAGNIEN, Thierry <
>>>>> thierry.magnien at sfr.com> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>>
>>>>>>
>>>>>> There are known CPU issues due to WordPress HearBeat API, for
>>>>>> example, or misbehaving plugins.
>>>>>>
>>>>>>
>>>>>>
>>>>>> See
>>>>>> http://www.inmotionhosting.com/support/website/wordpress/heartbeat-ajax-php-usage
>>>>>> for example.
>>>>>>
>>>>>>
>>>>>>
>>>>>> Maybe one of your plugins has some difficulties going through varnish.
>>>>>>
>>>>>>
>>>>>>
>>>>>> If you enable debug on your browser, can you see specific calls to
>>>>>> /wp-admin/admin-ajax.php that take a very long time with varnish and not
>>>>>> when varnish is disabled ?
>>>>>>
>>>>>>
>>>>>>
>>>>>> Thierry
>>>>>>
>>>>>>
>>>>>>
>>>>>> *De :* varnish-misc-bounces+thierry.magnien=sfr.com at varnish-cache.org
>>>>>> [mailto:varnish-misc-bounces+thierry.magnien=
>>>>>> sfr.com at varnish-cache.org] *De la part de* Ayberk Kimsesiz
>>>>>> *Envoyé :* mardi 2 août 2016 15:18
>>>>>> *À :* Stig Bakken
>>>>>> *Cc :* varnish-misc
>>>>>> *Objet :* Re: Varnish CPU Usage
>>>>>>
>>>>>>
>>>>>>
>>>>>> I used Default.VCL in two different ways. The first with default
>>>>>> settings and the second with settings customized for Wordpress (either
>>>>>> case, the CPU usage increases). That is as follows:
>>>>>>
>>>>>>
>>>>>>
>>>>>> Also i couldn't find a Centos 6 installation guide for Prometheus.
>>>>>>
>>>>>>
>>>>>>
>>>>>> */* SET THE HOST AND PORT OF WORDPRESS*
>>>>>>
>>>>>> * * *********************************************************/*
>>>>>>
>>>>>> *vcl 4.0;*
>>>>>>
>>>>>> *import std;*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *backend default {*
>>>>>>
>>>>>> * .host = "SERVER IP";*
>>>>>>
>>>>>> * .port = "8080";*
>>>>>>
>>>>>> * .first_byte_timeout = 60s;*
>>>>>>
>>>>>> * .connect_timeout = 300s;*
>>>>>>
>>>>>> *}*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *# SET THE ALLOWED IP OF PURGE REQUESTS*
>>>>>>
>>>>>> *# ##########################################################*
>>>>>>
>>>>>> *acl purge {*
>>>>>>
>>>>>> * "localhost";*
>>>>>>
>>>>>> * "127.0.0.1";*
>>>>>>
>>>>>> *}*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *#THE RECV FUNCTION*
>>>>>>
>>>>>> *# ##########################################################*
>>>>>>
>>>>>> *sub vcl_recv {*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *# set realIP by trimming CloudFlare IP which will be used for
>>>>>> various checks*
>>>>>>
>>>>>> *set req.http.X-Actual-IP = regsub(req.http.X-Forwarded-For, "[,
>>>>>> ].*$", ""); *
>>>>>>
>>>>>>
>>>>>>
>>>>>> * # FORWARD THE IP OF THE REQUEST*
>>>>>>
>>>>>> * 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;*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * # Purge request check sections for hash_always_miss, purge and ban*
>>>>>>
>>>>>> * # BLOCK IF NOT IP is not in purge acl*
>>>>>>
>>>>>> * # ##########################################################*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * # Enable smart refreshing using hash_always_miss*
>>>>>>
>>>>>> *if (req.http.Cache-Control ~ "no-cache") {*
>>>>>>
>>>>>> * if (client.ip ~ purge || !std.ip(req.http.X-Actual-IP,
>>>>>> "1.2.3.4") ~ purge) {*
>>>>>>
>>>>>> * set req.hash_always_miss = true;*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>> *}*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *if (req.method == "PURGE") {*
>>>>>>
>>>>>> * if (!client.ip ~ purge || !std.ip(req.http.X-Actual-IP,
>>>>>> "1.2.3.4") ~ purge) {*
>>>>>>
>>>>>> * return(synth(405,"Not allowed."));*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>> * return (purge);*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>> *if (req.method == "BAN") {*
>>>>>>
>>>>>> * # Same ACL check as above:*
>>>>>>
>>>>>> * if (!client.ip ~ purge || !std.ip(req.http.X-Actual-IP,
>>>>>> "1.2.3.4") ~ purge) {*
>>>>>>
>>>>>> * return(synth(403, "Not allowed."));*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>> * ban("req.http.host == " + req.http.host +*
>>>>>>
>>>>>> * " && req.url == " + req.url);*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * # Throw a synthetic page so the*
>>>>>>
>>>>>> * # request won't go to the backend.*
>>>>>>
>>>>>> * return(synth(200, "Ban added"));*
>>>>>>
>>>>>> *}*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *# Unset cloudflare cookies*
>>>>>>
>>>>>> *# 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*", "");*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * # For Testing: If you want to test with Varnish passing (not
>>>>>> caching) uncomment*
>>>>>>
>>>>>> * # return( pass );*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * # FORWARD THE IP OF THE REQUEST*
>>>>>>
>>>>>> * 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;*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *# DO NOT CACHE RSS FEED*
>>>>>>
>>>>>> * if (req.url ~ "/feed(/)?") {*
>>>>>>
>>>>>> * return ( pass ); *
>>>>>>
>>>>>> *}*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *## Do not cache search results, comment these 3 lines if you do want
>>>>>> to cache them*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *if (req.url ~ "/\?s\=") {*
>>>>>>
>>>>>> * return ( pass ); *
>>>>>>
>>>>>> *}*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *# CLEAN UP THE ENCODING HEADER.*
>>>>>>
>>>>>> * # SET TO GZIP, DEFLATE, OR REMOVE ENTIRELY. WITH VARY
>>>>>> ACCEPT-ENCODING*
>>>>>>
>>>>>> * # VARNISH WILL CREATE SEPARATE CACHES FOR EACH*
>>>>>>
>>>>>> * # DO NOT ACCEPT-ENCODING IMAGES, ZIPPED FILES, AUDIO, ETC.*
>>>>>>
>>>>>> * # ##########################################################*
>>>>>>
>>>>>> * if (req.http.Accept-Encoding) {*
>>>>>>
>>>>>> * if (req.url ~ "\.(jpg|png|gif|gz|tgz|bz2|tbz|mp3|ogg)$") {*
>>>>>>
>>>>>> * # No point in compressing these*
>>>>>>
>>>>>> * 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 {*
>>>>>>
>>>>>> * # unknown algorithm*
>>>>>>
>>>>>> * unset req.http.Accept-Encoding;*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * # PIPE ALL NON-STANDARD REQUESTS*
>>>>>>
>>>>>> * # ##########################################################*
>>>>>>
>>>>>> * if (req.method != "GET" &&*
>>>>>>
>>>>>> * req.method != "HEAD" &&*
>>>>>>
>>>>>> * req.method != "PUT" && *
>>>>>>
>>>>>> * req.method != "POST" &&*
>>>>>>
>>>>>> * req.method != "TRACE" &&*
>>>>>>
>>>>>> * req.method != "OPTIONS" &&*
>>>>>>
>>>>>> * req.method != "DELETE") {*
>>>>>>
>>>>>> * return (pipe);*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * # ONLY CACHE GET AND HEAD REQUESTS*
>>>>>>
>>>>>> * # ##########################################################*
>>>>>>
>>>>>> * if (req.method != "GET" && req.method != "HEAD") {*
>>>>>>
>>>>>> * return (pass);*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * # OPTIONAL: DO NOT CACHE LOGGED IN USERS (THIS OCCURS IN FETCH
>>>>>> TOO, EITHER*
>>>>>>
>>>>>> * # COMMENT OR UNCOMMENT BOTH*
>>>>>>
>>>>>> * # ##########################################################*
>>>>>>
>>>>>> * if ( req.http.cookie ~ "wordpress_logged_in" ) {*
>>>>>>
>>>>>> * return( pass );*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * # IF THE REQUEST IS NOT FOR A PREVIEW, WP-ADMIN OR WP-LOGIN*
>>>>>>
>>>>>> * # THEN UNSET THE COOKIES*
>>>>>>
>>>>>> * # ##########################################################*
>>>>>>
>>>>>> * if (!(req.url ~ "wp-(login|admin)") *
>>>>>>
>>>>>> * && !(req.url ~ "&preview=true" ) *
>>>>>>
>>>>>> * ){*
>>>>>>
>>>>>> * unset req.http.cookie;*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * # IF BASIC AUTH IS ON THEN DO NOT CACHE*
>>>>>>
>>>>>> * # ##########################################################*
>>>>>>
>>>>>> * if (req.http.Authorization || req.http.Cookie) {*
>>>>>>
>>>>>> * return (pass);*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * # IF YOU GET HERE THEN THIS REQUEST SHOULD BE CACHED*
>>>>>>
>>>>>> * # ##########################################################*
>>>>>>
>>>>>> * return (hash);*
>>>>>>
>>>>>> * # This is for phpmyadmin*
>>>>>>
>>>>>> *if (req.http.Host == "ki1.org <http://ki1.org>") {*
>>>>>>
>>>>>> *return (pass);*
>>>>>>
>>>>>> *}*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *if (req.http.Host == "mysql.ki1.org <http://mysql.ki1.org>") {*
>>>>>>
>>>>>> *return (pass);*
>>>>>>
>>>>>> *}*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *}*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *# HIT FUNCTION*
>>>>>>
>>>>>> *# ##########################################################*
>>>>>>
>>>>>> *sub vcl_hit {*
>>>>>>
>>>>>> * # IF THIS IS A PURGE REQUEST THEN DO THE PURGE*
>>>>>>
>>>>>> * # ##########################################################*
>>>>>>
>>>>>> * if (req.method == "PURGE") {*
>>>>>>
>>>>>> * #*
>>>>>>
>>>>>> * # This is now handled in vcl_recv.*
>>>>>>
>>>>>> * #*
>>>>>>
>>>>>> * # purge;*
>>>>>>
>>>>>> * return (synth(200, "Purged."));*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>> * return (deliver);*
>>>>>>
>>>>>> *}*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *# MISS FUNCTION*
>>>>>>
>>>>>> *# ##########################################################*
>>>>>>
>>>>>> *sub vcl_miss {*
>>>>>>
>>>>>> * if (req.method == "PURGE") {*
>>>>>>
>>>>>> * #*
>>>>>>
>>>>>> * # This is now handled in vcl_recv.*
>>>>>>
>>>>>> * #*
>>>>>>
>>>>>> * # purge;*
>>>>>>
>>>>>> * return (synth(200, "Purged."));*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>> * return (fetch);*
>>>>>>
>>>>>> *}*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *# FETCH FUNCTION*
>>>>>>
>>>>>> *# ##########################################################*
>>>>>>
>>>>>> *sub vcl_backend_response {*
>>>>>>
>>>>>> * # I SET THE VARY TO ACCEPT-ENCODING, THIS OVERRIDES W3TC *
>>>>>>
>>>>>> * # TENDANCY TO SET VARY USER-AGENT. YOU MAY OR MAY NOT WANT*
>>>>>>
>>>>>> * # TO DO THIS*
>>>>>>
>>>>>> * # ##########################################################*
>>>>>>
>>>>>> * set beresp.http.Vary = "Accept-Encoding";*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * # IF NOT WP-ADMIN THEN UNSET COOKIES AND SET THE AMOUNT OF *
>>>>>>
>>>>>> * # TIME THIS PAGE WILL STAY CACHED (TTL)*
>>>>>>
>>>>>> * # ##########################################################*
>>>>>>
>>>>>> * if (!(bereq.url ~ "wp-(login|admin)") && !bereq.http.cookie ~
>>>>>> "wordpress_logged_in" ) {*
>>>>>>
>>>>>> * unset beresp.http.set-cookie;*
>>>>>>
>>>>>> * set beresp.ttl = 52w;*
>>>>>>
>>>>>> *# set beresp.grace =1w;*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * if (beresp.ttl <= 0s ||*
>>>>>>
>>>>>> * beresp.http.Set-Cookie ||*
>>>>>>
>>>>>> * beresp.http.Vary == "*") {*
>>>>>>
>>>>>> * set beresp.ttl = 120 s;*
>>>>>>
>>>>>> * # set beresp.ttl = 120s;*
>>>>>>
>>>>>> * set beresp.uncacheable = true;*
>>>>>>
>>>>>> * return (deliver);*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>>
>>>>>>
>>>>>> * return (deliver);*
>>>>>>
>>>>>> *}*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *# DELIVER FUNCTION*
>>>>>>
>>>>>> *# ##########################################################*
>>>>>>
>>>>>> *sub vcl_deliver {*
>>>>>>
>>>>>> * # IF THIS PAGE IS ALREADY CACHED THEN RETURN A 'HIT' TEXT *
>>>>>>
>>>>>> * # IN THE HEADER (GREAT FOR DEBUGGING)*
>>>>>>
>>>>>> * # ##########################################################*
>>>>>>
>>>>>> * if (obj.hits > 0) {*
>>>>>>
>>>>>> * set resp.http.X-Cache = "HIT";*
>>>>>>
>>>>>> * # IF THIS IS A MISS RETURN THAT IN THE HEADER*
>>>>>>
>>>>>> * # ##########################################################*
>>>>>>
>>>>>> * } else {*
>>>>>>
>>>>>> * set resp.http.X-Cache = "MISS";*
>>>>>>
>>>>>> * }*
>>>>>>
>>>>>> *}*
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> 2016-08-02 15:07 GMT+03:00 Stig Bakken <stig at zedge.net>:
>>>>>>
>>>>>> Could it be that Varnish is not caching those POST requests, and that
>>>>>> they are what makes Apache consume a lot of CPU?
>>>>>>
>>>>>>
>>>>>>
>>>>>> On MPMs: with PHP prefork is the safest choice, and it will work just
>>>>>> fine as long as you have a reasonable config, especially since you have
>>>>>> Varnish in front offloading the job of shuffling bytes back to the users.
>>>>>>
>>>>>>
>>>>>>
>>>>>> If I were you I'd try to get more data on which requests take a long
>>>>>> time, some variant of "varnishncsa -F %D"..
>>>>>>
>>>>>>
>>>>>>
>>>>>> If you're into using Prometheus for metrics, you can try out this
>>>>>> exporter which will give you a lot of insight into which requests take a
>>>>>> long time to process:
>>>>>> https://github.com/stigsb/varnish_request_exporter (Prometheus is
>>>>>> awesome!)
>>>>>>
>>>>>>
>>>>>>
>>>>>> - Stig
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Thu, Jul 28, 2016 at 6:57 PM, Ayberk Kimsesiz <
>>>>>> ayberk.kimsesiz at gmail.com> wrote:
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>>
>>>>>>
>>>>>> *CPU Monitor: *
>>>>>>
>>>>>>
>>>>>>
>>>>>> http://i.imgur.com/5KT1xRu.jpg
>>>>>>
>>>>>>
>>>>>>
>>>>>> *Apache status:*
>>>>>>
>>>>>>
>>>>>>
>>>>>> *Srv*
>>>>>>
>>>>>> *PID*
>>>>>>
>>>>>> *Acc*
>>>>>>
>>>>>> *M*
>>>>>>
>>>>>> *CPU*
>>>>>>
>>>>>> *SS*
>>>>>>
>>>>>> *Req*
>>>>>>
>>>>>> *Conn*
>>>>>>
>>>>>> *Child*
>>>>>>
>>>>>> *Slot*
>>>>>>
>>>>>> *Client*
>>>>>>
>>>>>> *Protocol*
>>>>>>
>>>>>> *VHost*
>>>>>>
>>>>>> *Request*
>>>>>>
>>>>>> *0-0*
>>>>>>
>>>>>> -
>>>>>>
>>>>>> 0/0/9766
>>>>>>
>>>>>> .
>>>>>>
>>>>>> 134.59
>>>>>>
>>>>>> 37
>>>>>>
>>>>>> 0
>>>>>>
>>>>>> 0.0
>>>>>>
>>>>>> 0.00
>>>>>>
>>>>>> 64.40
>>>>>>
>>>>>> ::1
>>>>>>
>>>>>> http/1.1
>>>>>>
>>>>>> ns1.***com:8080
>>>>>>
>>>>>> OPTIONS * HTTP/1.0
>>>>>>
>>>>>> *1-0*
>>>>>>
>>>>>> 14612
>>>>>>
>>>>>> 0/16/9058
>>>>>>
>>>>>> _
>>>>>>
>>>>>> 17.83
>>>>>>
>>>>>> 13
>>>>>>
>>>>>> 1498
>>>>>>
>>>>>> 0.0
>>>>>>
>>>>>> 0.02
>>>>>>
>>>>>> 53.29
>>>>>>
>>>>>> 176.***.10
>>>>>>
>>>>>> http/1.1
>>>>>>
>>>>>> www.***.com:8080
>>>>>>
>>>>>> POST /wp-admin/admin-ajax.php HTTP/1.1
>>>>>>
>>>>>> *2-0*
>>>>>>
>>>>>> 10863
>>>>>>
>>>>>> 0/179/9795
>>>>>>
>>>>>> _
>>>>>>
>>>>>> 185.14
>>>>>>
>>>>>> 6
>>>>>>
>>>>>> 1424
>>>>>>
>>>>>> 0.0
>>>>>>
>>>>>> 0.58
>>>>>>
>>>>>> 60.32
>>>>>>
>>>>>> 176.***.10
>>>>>>
>>>>>> http/1.1
>>>>>>
>>>>>> www.***.com:8080
>>>>>>
>>>>>> POST /wp-admin/admin-ajax.php HTTP/1.1
>>>>>>
>>>>>> *3-0*
>>>>>>
>>>>>> 13127
>>>>>>
>>>>>> 0/127/9435
>>>>>>
>>>>>> _
>>>>>>
>>>>>> 119.80
>>>>>>
>>>>>> 4
>>>>>>
>>>>>> 1419
>>>>>>
>>>>>> 0.0
>>>>>>
>>>>>> 0.42
>>>>>>
>>>>>> 56.51
>>>>>>
>>>>>> 176.***.10
>>>>>>
>>>>>> http/1.1
>>>>>>
>>>>>> www.***.com:8080
>>>>>>
>>>>>> POST /wp-admin/admin-ajax.php HTTP/1.1
>>>>>>
>>>>>> *4-0*
>>>>>>
>>>>>> -
>>>>>>
>>>>>> 0/0/9187
>>>>>>
>>>>>> .
>>>>>>
>>>>>> 0.00
>>>>>>
>>>>>> 50
>>>>>>
>>>>>> 0
>>>>>>
>>>>>> 0.0
>>>>>>
>>>>>> 0.00
>>>>>>
>>>>>> 56.60
>>>>>>
>>>>>> ::1
>>>>>>
>>>>>> http/1.1
>>>>>>
>>>>>> ns1.***.com:8080
>>>>>>
>>>>>> OPTIONS * HTTP/1.0
>>>>>>
>>>>>> *5-0*
>>>>>>
>>>>>> 14851
>>>>>>
>>>>>> 0/9/8761
>>>>>>
>>>>>> _
>>>>>>
>>>>>> 8.95
>>>>>>
>>>>>> 13
>>>>>>
>>>>>> 1559
>>>>>>
>>>>>> 0.0
>>>>>>
>>>>>> 0.01
>>>>>>
>>>>>> 57.90
>>>>>>
>>>>>> 176.***.10
>>>>>>
>>>>>> http/1.1
>>>>>>
>>>>>> www.***.com:8080
>>>>>>
>>>>>> POST /wp-admin/admin-ajax.php HTTP/1.1
>>>>>>
>>>>>> *6-0*
>>>>>>
>>>>>> 14852
>>>>>>
>>>>>> 0/6/8130
>>>>>>
>>>>>> _
>>>>>>
>>>>>> 6.67
>>>>>>
>>>>>> 4
>>>>>>
>>>>>> 1482
>>>>>>
>>>>>> 0.0
>>>>>>
>>>>>> 0.01
>>>>>>
>>>>>> 51.88
>>>>>>
>>>>>> 176.***.10
>>>>>>
>>>>>> http/1.1
>>>>>>
>>>>>> www.***.com:8080
>>>>>>
>>>>>> POST /wp-admin/admin-ajax.php HTTP/1.1
>>>>>>
>>>>>> *7-0*
>>>>>>
>>>>>> 14192
>>>>>>
>>>>>> 11/57/8355
>>>>>>
>>>>>> *K*
>>>>>>
>>>>>> 72.73
>>>>>>
>>>>>> 0
>>>>>>
>>>>>> 1363
>>>>>>
>>>>>> 106.6
>>>>>>
>>>>>> 0.44
>>>>>>
>>>>>> 52.79
>>>>>>
>>>>>> 176.***.10
>>>>>>
>>>>>> http/1.1
>>>>>>
>>>>>> www.***.com:8080
>>>>>>
>>>>>> POST /wp-admin/admin-ajax.php HTTP/1.1
>>>>>>
>>>>>> *8-0*
>>>>>>
>>>>>> 13067
>>>>>>
>>>>>> 0/125/7795
>>>>>>
>>>>>> _
>>>>>>
>>>>>> 121.19
>>>>>>
>>>>>> 13
>>>>>>
>>>>>> 1759
>>>>>>
>>>>>> 0.0
>>>>>>
>>>>>> 0.65
>>>>>>
>>>>>> 68.27
>>>>>>
>>>>>> 176.***.10
>>>>>>
>>>>>> http/1.1
>>>>>>
>>>>>> www.***.com:8080
>>>>>>
>>>>>> POST /wp-admin/admin-ajax.php HTTP/1.1
>>>>>>
>>>>>>
>>>>>>
>>>>>> Apache error logs don't show anything about CPU.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> 2016-07-28 19:31 GMT+03:00 Guillaume Quintard <
>>>>>> guillaume at varnish-software.com>:
>>>>>>
>>>>>> You seem to have a good hit ratio, are you seeing anything on the
>>>>>> apache logs that would explain the cpu usage?
>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>> Guillaume Quintard
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> varnish-misc mailing list
>>>>>> varnish-misc at varnish-cache.org
>>>>>> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>> Stig Bakken
>>>>>> CTO, Zedge.net - free your phone!
>>>>>>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> varnish-misc mailing list
>>>>>> varnish-misc at varnish-cache.org
>>>>>> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>>
>
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