[squid-users] Scalability in serving large ammount of concurrent requests

2009-05-02 Thread Roy M.
In http://highscalability.com/youtube-architecture , under Serving Thumbnails, it said: .. - Used squid (reverse proxy) in front of Apache. This worked for a while, but as load increased performance eventually decreased. Went from 300 requests/second to 20. .. So does it mean squid is not

Re: [squid-users] Scalability in serving large ammount of concurrent requests

2009-05-02 Thread Jeff Pang
Roy M.: In http://highscalability.com/youtube-architecture , under Serving Thumbnails, it said: .. - Used squid (reverse proxy) in front of Apache. This worked for a while, but as load increased performance eventually decreased. Went from 300 requests/second to 20. .. So does it mean squid is

Re: [squid-users] Scalability in serving large ammount of concurrent requests

2009-05-02 Thread Roy M.
Hey, On Sat, May 2, 2009 at 4:24 PM, Jeff Pang pa...@arcor.de wrote: We use Squid for reverse proxy for the popular webmail here, serving for static resources like images/css/JS etc. Totally 24 squid boxes, each has the concurrent connections more than 20,000. For small static objects, Squid

Re: [squid-users] Scalability in serving large ammount of concurrent requests

2009-05-02 Thread Jeff Pang
Roy M.: So did you tried Apache/Lighty + mod_proxy ? No. We used a customized solution based on the webserver developed by the company itself. For that high traffic application, you can consider to use a commercial product like F5's BIG-IP or Citrix's NetScaler. -- Jeff Pang DingTong

[squid-users] replacement_policy heap LFUDA but cachemgr says Removal policy: lru

2009-05-02 Thread Chudy Fernandez
Those anybody has seen like this? squid.conf configuration is memory_replacement_policy heap GDSF cache_replacement_policy heap LFUDA but Store Directory Stats @ cachemgr.cgi say's Removal policy: lru the complete Store Directory Stats: Store Directory Statistics: Store Entries

Re: [squid-users] Scalability in serving large ammount of concurrent requests

2009-05-02 Thread Denys Fedoryschenko
I have squid serving Proxy-Karam-Main ~ # netstat -s|grep -i estab 41583 connections established client_http.requests = 1364.257457/sec client_http.kbytes_out = 16067.017328/sec At peak time it reach 60-70K and sometimes even 208 Mbps. But it is serving real customers, and not as

[squid-users] Re: Re[squid-users] cording username for secure connection

2009-05-02 Thread molybtek
Chris Robertson-2 wrote: molybtek wrote: We have squid running as an authenticating proxy using squid_ldap_auth. In the access log, for normal connections, it records the username for most log entries. However, for secure connections, the username field is blank. Are there any way

[squid-users] Getting REFERRER info - Squid

2009-05-02 Thread Parvinder Bhasin
All, How can I get REFERRER info that my redirector program can read and make decisions based on the referrer? Can I even get at that data from my redirector program? Any help highly appreciated. -Parvinder Bhasin

Re: [squid-users] Scalability in serving large ammount of concurrent requests

2009-05-02 Thread Adrian Chadd
it means they didn't bother investigating the problem and reporting back to squid-users/squid-dev. They may find that Squid-2.7 (and my squid-2 fork) perform a ton better over whatever version they tried. I'm trying to continue benchmarking my local Squid-2 fork against simulated lots of