with reference to the post: http://apache-traffic-server.24303.n7.nabble.com/TrafficServer-6-keep-alive-connection-retries-and-502-Server-Hangups-td1818.html
So I tried disabling and then re-enabling the below now the website is restored. will update if this happened again. proxy.config.http.keep_alive_enabled_out proxy.config.http.keep_alive_post_out -- Thanks F. irc: zoot From: Muhammad Faisal Sent: Saturday, February 13, 2016 12:20 AM To: [email protected] Subject: Re: Question on ATS Performance logs are showing this: 1455304579.344 0 113.203.232.25 TCP_MEM_HIT/520 6296 GET http://propakistani.pk/ - NONE/- text/html 1455304579.559 0 113.203.232.25 TCP_IMS_HIT/304 234 GET http://propakistani.pk/cdn-cgi/styles/cf.errors.css - NONE/- - 1455304579.583 0 113.203.232.25 TCP_IMS_HIT/304 236 GET http://propakistani.pk/cdn-cgi/scripts/cf.common.js - NONE/- - 1455304579.583 0 113.203.232.25 TCP_IMS_HIT/304 236 GET http://propakistani.pk/cdn-cgi/scripts/zepto.min.js - NONE/- - 1455304579.993 0 113.203.232.25 TCP_IMS_HIT/304 234 GET http://propakistani.pk/cdn-cgi/styles/fonts/opensans-300.woff - NONE/- - 1455304580.008 0 113.203.232.25 TCP_IMS_HIT/304 232 GET http://propakistani.pk/cdn-cgi/images/error_icons.png - NONE/- - 1455304580.018 0 113.203.232.25 TCP_IMS_HIT/304 234 GET http://propakistani.pk/cdn-cgi/styles/fonts/opensans-400.woff - NONE/- - 1455304580.028 0 113.203.232.25 TCP_IMS_HIT/304 234 GET http://propakistani.pk/cdn-cgi/styles/fonts/opensans-600.woff - NONE/- - 1455304580.138 0 113.203.232.25 TCP_MEM_HIT/520 6296 GET http://propakistani.pk/ - NONE/- text/ht -- Thanks F. irc: zoot From: Faisal Sent: Friday, February 12, 2016 11:53 PM To: [email protected] Subject: Re: Question on ATS Performance Hi James, This is the actual error: -- Thanks F. irc: zoot From: Muhammad Faisal Sent: Friday, February 12, 2016 10:34 PM To: [email protected] Subject: Re: Question on ATS Performance Hello, Everything was working perfectly fine on ATS I did some changes (modified DNS address, Cache.config and background_fetch.config) and restarted ATS server, after that i start getting cloud flare page showing host is down on a specific website and trying to access behind ATS server. I have verified the website is accessible normally when accessing directly. I have added the following in the cache.config and background_fetch.config today: Cache.config Modifications: url_regex=(.*)\.(gif|jpe?g|png|css|js|txt|htc|ico|flv|mp4|m4v|wmv|mov|mpg|m3u8|ogv|webm|mp3|MP2T|wav|ogg|oga|swf|doc|docx|xls|xlsx|ppt|pptx|pdf|eot|ttf|otf|woff|mp(e?g|a|e|1|2|3|4)|ts|mp2t|mk(a|v)|ms(i|u|p)|og(x|v|a|g)|rar|rm|r(a|p)m|snd|vob|rar|jar|gz|tgz|bz2|iso|m1v|m2(v|p)|mo(d|v)|3gp|7z|ace|asx|avi|bin|cab|dat|deb|divx|dvr-s)$ scheme=http ttl-in-cache=60d url_regex=(.*)\.(gif|jpe?g|png|css|js|txt|htc|ico|flv|mp4|m4v|wmv|mov|mpg|m3u8|ogv|webm|mp3|MP2T|wav|ogg|oga|swf|doc|docx|xls|xlsx|ppt|pptx|pdf|eot|ttf|otf|woff|mp(e?g|a|e|1|2|3|4)|ts|mp2t|mk(a|v)|ms(i|u|p)|og(x|v|a|g)|rar|rm|r(a|p)m|snd|vob|rar|jar|gz|tgz|bz2|iso|m1v|m2(v|p)|mo(d|v)|3gp|7z|ace|asx|avi|bin|cab|dat|deb|divx|dvr-ms)$ scheme=http revalidate=1d url_regex=(.*)\.(gif|jpe?g|png|css|js|txt|htc|ico|flv|mp4|m4v|wmv|mov|mpg|m3u8|ogv|webm|mp3|MP2T|wav|ogg|oga|swf|doc|docx|xls|xlsx|ppt|pptx|pdf|eot|ttf|otf|woff|mp(e?g|a|e|1|2|3|4)|ts|mp2t|mk(a|v)|ms(i|u|p)|og(x|v|a|g)|rar|rm|r(a|p)m|snd|vob|rar|jar|gz|tgz|bz2|iso|m1v|m2(v|p)|mo(d|v)|3gp|7z|ace|asx|avi|bin|cab|dat|deb|divx|dvr-ms)$ scheme=http action=ignore-no-cache Background_fetch.config Modification: include Content-Type video/mp2t include Content-Type application/x-mpegURL Origin Headers Behind ATS: HTTP/1.1 200 OK Age: 13698 Cache-Control: public, max-age=7200 CF-RAY: 2738b7e103c428f0-DXB Content-Encoding: gzip Content-Length: 14649 Content-Type: application/font-woff Date: Fri, 12 Feb 2016 17:29:32 GMT ETag: W/"56bb9085-3dfc" Expires: Fri, 12 Feb 2016 15:42:42 GMT Last-Modified: Wed, 10 Feb 2016 19:33:25 GMT Server: ATS/6.1.1 Vary: Accept-Encoding X-Frame-Options: SAMEORIGIN and this one: HTTP/1.1 520 Origin Error Age: 13734 CF-RAY: 2738b76b50be28ea-DXB Connection: keep-alive Content-Length: 6036 Content-Type: text/html; charset=UTF-8 Date: Fri, 12 Feb 2016 13:42:34 GMT Pragma: no-cache Server: ATS/6.1.1 X-Frame-Options: SAMEORIGIN On 2/10/2016 6:52 PM, Muhammad Faisal wrote: While searching trafficserver mail archives i came accross a thread by "Luís Antonio Pereira " in which he has mentioned regexp for caching objects. To give it a try i have lowered the validity period to 60d and used the same in my deployment. What I'm trying is to make quick page load at user end. Let see how it performs now. url_regex=(.*)\.(js|gif|jpg|jpeg|png|css|ico|bmp|mp3|mp4|avi|mov|swf|flv|pdf|ts)$ scheme=http ttl-in-cache=60d url_regex=(.*)\.(js|gif|jpg|jpeg|png|css|ico|bmp|mp3|mp4|avi|mov|swf|flv|pdf|ts)$ scheme=http revalidate=2d url_regex=(.*)\.(js|gif|jpg|jpeg|png|css|ico|bmp|mp3|mp4|avi|mov|swf|flv|pdf|ts)$ scheme=http action=ignore-no-cache url_regex=^http://%28/[a-z][0-9]\.){0,1}(profile|sphotos|photos-[a-z])\.ak\.fbcdn\.net/hp(rofile|hotos)-ak- scheme=http ttl-in-cache=360d url_regex=^http://%28/[a-z][0-9]\.){0,1}(profile|sphotos|photos-[a-z])\.ak\.fbcdn\.net/hp(rofile|hotos)-ak- scheme=http revalidate=8h url_regex=^http://%28/[a-z][0-9]\.){0,1}(profile|sphotos|photos-[a-z])\.ak\.fbcdn\.net/hp(rofile|hotos)-ak- scheme=http action=ignore-no-cache url_regex=^http://[^/]*\.(youtube|googlevideo).com/(get_video|videoplayback|videodownload)\? scheme=http ttl-in-cache=360d url_regex=^http://[^/]*\.(youtube|googlevideo).com/(get_video|videoplayback|videodownload)\? scheme=http revalidate=8h url_regex=^http://[^/]*\.(youtube|googlevideo).com/(get_video|videoplayback|videodownload)\? scheme=http action=ignore-no-cache url_regex=^http://[a-z]{1,}\.dl\.sourceforge\.net\/project/ scheme=http ttl-in-cache=60d url_regex=^http://[a-z]{1,}\.dl\.sourceforge\.net\/project/ scheme=http revalidate=8h url_regex=^http://[a-z]{1,}\.dl\.sourceforge\.net\/project/ scheme=http action=ignore-no-cache url_regex=^http://(.*)\.windowsupdate.com/.*\.(cab|exe|dll|ms) scheme=http ttl-in-cache=60d url_regex=^http://(.*)\.windowsupdate.com/.*\.(cab|exe|dll|ms) scheme=http revalidate=8h url_regex=^http://(.*)\.windowsupdate.com/.*\.(cab|exe|dll|ms) scheme=http action=ignore-no-cache url_regex=^http://(.*)\.microsoft.com/.*\.(cab|exe|dll|ms) scheme=http ttl-in-cache=60d url_regex=^http://(.*)\.microsoft.com/.*\.(cab|exe|dll|ms) scheme=http revalidate=8h url_regex=^http://(.*)\.microsoft.com/.*\.(cab|exe|dll|ms) scheme=http action=ignore-no-cache url_regex=^http://[^/]*\.apersonal.avira-update.com/.*\.(cab|exe|dll|msi|gz) scheme=http ttl-in-cache=60d url_regex=^http://[^/]*\.apersonal.avira-update.com/.*\.(cab|exe|dll|msi|gz) scheme=http revalidate=8h url_regex=^http://[^/]*\.apersonal.avira-update.com/.*\.(cab|exe|dll|msi|gz) scheme=http action=ignore-no-cache url_regex=^http://[^/]*\.aliveupdate.symantecliveupdate.com/.*\.(cab|exe|dll|msi) scheme=http ttl-in-cache=60d url_regex=^http://[^/]*\.aliveupdate.symantecliveupdate.com/.*\.(cab|exe|dll|msi) scheme=http revalidate=8h url_regex=^http://[^/]*\.aliveupdate.symantecliveupdate.com/.*\.(cab|exe|dll|msi) scheme=http action=ignore-no-cache url_regex=^http://[^/]*\.aliveupdate.symantecliveupdate.com/.*\.(cab|exe|dll|msi) scheme=http ttl-in-cache=60d url_regex=^http://[^/]*\.aliveupdate.symantecliveupdate.com/.*\.(cab|exe|dll|msi) scheme=http revalidate=8h url_regex=^http://[^/]*\.aliveupdate.symantecliveupdate.com/.*\.(cab|exe|dll|msi) scheme=http action=ignore-no-cache url_regex=^http://[^/]*\.avast.com/.*\.(vpu|cab|stamp|exe) scheme=http ttl-in-cache=360d url_regex=^http://[^/]*\.avast.com/.*\.(vpu|cab|stamp|exe) scheme=http revalidate=8h url_regex=^http://[^/]*\.avast.com/.*\.(vpu|cab|stamp|exe) scheme=http action=ignore-no-cache url_regex=^http://[^/]*\.avg.com/.*\.(bin|gz) scheme=http ttl-in-cache=60d url_regex=^http://[^/]*\.avg.com/.*\.(bin|gz) scheme=http revalidate=8h url_regex=^http://[^/]*\.avg.com/.*\.(bin|gz) scheme=http action=ignore-no-cache url_regex=^http://[^/]*\.avgate.net/.*\.(bin|gz) scheme=http ttl-in-cache=60d url_regex=^http://[^/]*\.avgate.net/.*\.(bin|gz) scheme=http revalidate=8h url_regex=^http://[^/]*\.avgate.net/.*\.(bin|gz) scheme=http action=ignore-no-cache url_regex=^http://[^/]*\.kaspersky\.com/.*\.(xml|stt|dll|dat|avc|dif|diff|exe|cab|fad|zip|kdc|klz) scheme=http ttl-in-cache=60d url_regex=^http://[^/]*\.kaspersky\.com/.*\.(xml|stt|dll|dat|avc|dif|diff|exe|cab|fad|zip|kdc|klz) scheme=http revalidate=8h url_regex=^http://[^/]*\.kaspersky\.com/.*\.(xml|stt|dll|dat|avc|dif|diff|exe|cab|fad|zip|kdc|klz) scheme=http action=ignore-no-cache url_regex=^http://[^/]*\.kaspersky-labs\.com/.*\.(xml|stt|dll|dat|avc|dif|diff|exe|cab|fad|zip|kdc|klz) scheme=http ttl-in-cache=60d url_regex=^http://[^/]*\.kaspersky-labs\.com/.*\.(xml|stt|dll|dat|avc|dif|diff|exe|cab|fad|zip|kdc|klz) scheme=http revalidate=8h url_regex=^http://[^/]*\.kaspersky-labs\.com/.*\.(xml|stt|dll|dat|avc|dif|diff|exe|cab|fad|zip|kdc|klz) scheme=http action=ignore-no-cache Thanks F. IRC: zoot On 2/10/2016 3:03 PM, Muhammad Faisal wrote: Agreed. Will start from focusing on static content first. On 2/10/2016 3:01 PM, Brian Geffon wrote: I would just start by ensuring the static content you care about is actually cached, optimize from there.
