squid proxy server problems with 1 site

Posted on 2011-05-03
Medium Priority
Last Modified: 2012-05-11
I’ve got a squid proxy server 2.7 on an Ubuntu 64 (10.04.02) server.   4gb ram, plenty of drive space…

It runs all of my 200 users just fine… Except for 1 site.
When I go to the site below, it comes up in a browser (IE), then just dies after a few navigations.  
When I remove Squid proxy from the equation, the site is slow, but not horrible.

When using squid, I get the site, click a few links then it seems to time out.

Any suggestions on improving performance?  Is it squid or the site?


Here’s the site:

The site is heavily cross linked with marketing crap.  I don’t manage the site, just some of the infrastructure in a my call center.

I see some high load times  in access.log:
1304439744.799 118071 TCP_MISS/200 34236 GET http://www.natlallergy.com/cat/1323/anti-allergen-laundry-detergent-allergy-free-laundry-care.html - DIRECT/ text/html
1304439744.947    112 TCP_MISS/200 4251 CONNECT sealserver.trustkeeper.net:443 - DIRECT/ -
1304439744.972    124 TCP_MISS/200 9926 GET http://www.natlallergy.com/images/153/clearly-clean-concentrates-by-envirorite.jpg - DIRECT/ image/jpeg
1304439744.975    123 TCP_MISS/200 6359 GET http://www.natlallergy.com/images/153/dri-pak-soap-flakes-pure-natural-laundry-soap.jpg - DIRECT/ image/jpeg
1304439744.976    124 TCP_MISS/200 6911 GET http://www.natlallergy.com/images/153/enviro-rite-clearly-clean-laundry-detergent.jpg - DIRECT/ image/jpeg
1304439745.025    222 TCP_MISS/404 2894 GET http://www.natlallergy.com/images/bkg-TopNavSale.gif - DIRECT/ text/html
1304439745.101    125 TCP_MISS/200 5831 GET http://www.natlallergy.com/images/153/citrisafe-laundry-liquid.jpg - DIRECT/ image/jpeg
1304439745.102      0 TCP_IMS_HIT/304 401 GET http://www.natlallergy.com/images/corner_banner_newitem.gif - NONE/- image/gif
1304439745.102    125 TCP_MISS/200 7832 GET http://www.natlallergy.com/images/153/allersearch-allergen-wash-laundry-detergent.jpg - DIRECT/ image/jpeg
1304439745.120    147 TCP_MISS/200 4485 CONNECT sealserver.trustwave.com:443 - DIRECT/ -
1304439745.160    211 TCP_MISS/200 38370 GET http://www.natlallergy.com/images/153/anti-allergen-laundry-detergent.jpg - DIRECT/ image/jpeg
1304439745.227     64 TCP_REFRESH_HIT/304 424 GET http://images.scanalert.com/meter/www.natlallergy.com/13.gif - DIRECT/ image/gif
1304439745.229    125 TCP_MISS/200 10593 GET http://www.natlallergy.com/images/153/de-mite-laundry-additive-for-dust-mite-control.jpg - DIRECT/ image/jpeg
1304439745.276    249 TCP_MISS/200 45454 GET http://www.natlallergy.com/images/153/static-eliminator-dryer-sheets.jpg - DIRECT/ image/jpeg
1304439745.301    174 TCP_MISS/200 12807 CONNECT sealserver.trustwave.com:443 - DIRECT/ -
1304439745.309     32 TCP_MISS/200 552 GET http://www.google-analytics.com/__utm.gif? - DIRECT/ image/gif
1304439745.484    108 TCP_MISS/200 1307 GET http://seg.sharethis.com/getSegment.php? - DIRECT/ text/html
1304439745.487    123 TCP_MISS/204 308 GET http://l.sharethis.com/pview? - DIRECT/ -
1304439745.510     19 TCP_MISS/204 660 GET http://b.scorecardresearch.com/b? - DIRECT/ -
1304439750.345   5211 TCP_MISS/200 1297 CONNECT www.nextag.com:443 - DIRECT/ -
1304439805.501  60270 TCP_MISS/200 6166 CONNECT a248.e.akamai.net:443 - DIRECT/ -

Question by:CousinDupree
LVL 16

Accepted Solution

Blaz earned 2000 total points
ID: 35697194
It seems that your squid server is waiting for some sort of timeouts - 2 minutes for the first request and 1 minute for the last request.

This could be a number of things including DNS timeout (for example remote server not responding to a AAAA record request, only after the timeout the A record is requested)

Author Closing Comment

ID: 35699724
problem must be with external site.

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