Thanks!! Will try this, and get back to you. Thanks & Regards Saraswathi Venkataraman | Xoriant Solutions Pvt. Ltd. Winchester, Hiranandani Business Park, Powai, Mumbai 400076, INDIA. Tel: +91 22 30511000 | Ext: 1113 | http://www.xoriant.com<http://www.xoriant.com/>
From: David Carlin [mailto:dcar...@yahoo-inc.com] Sent: Thursday, June 07, 2012 1:25 AM To: us...@trafficserver.apache.org Cc: dev@trafficserver.apache.org Subject: Re: syn flooding Bryan call recently fixed this in 3.1.4: https://issues.apache.org/jira/browse/TS-1211 You need to increase proxy.config.net<http://proxy.config.net>.listen_backlog in records.config and also the sysctl value net.ipv4.tcp_max_syn_backlog - I am using 16384<tel:16384>. Sent from my Verizon Wireless Phone -----Original message----- From: Saraswathi Venkataraman <saraswathi.venkatara...@xoriant.com> To: "us...@trafficserver.apache.org" <us...@trafficserver.apache.org> Cc: "dev@trafficserver.apache.org" <dev@trafficserver.apache.org> Sent: Wed, Jun 6, 2012 11:11:06 GMT+00:00 Subject: syn flooding I have configured my TS as forward transparent proxy. I generate requests to the TS server and measure the TPS with objects of different sizes from the webserver. For small objects, say 2k objects, I get TPS as 12k with small ram cache, and as high as 50K with large ram cache. However with typical and large objects(17k,1.1MB) the TPS I get for both is the same. And when I run with the large cache, requests for typical and large objects I get kernel: possible SYN flooding on port 80. > Sending cookies. Error in /var/log/messages Any idea how I can resolve this? Thanks & Regards Saraswathi Venkataraman | Xoriant Solutions Pvt. Ltd. Winchester, Hiranandani Business Park, Powai, Mumbai 400076, INDIA. Tel: +91 22 30511000 | Ext: 1113 | http://www.xoriant.com
