Does anyone have any input here? Emilio? - - - - - Scott Berry Lead Developer | Boom! Payments m: 1.661.478.7144
From: Scott Berry Date: Thursday, August 4, 2016 at 6:59 PM To: <zenloadbalancer-support@lists.sourceforge.net> Subject: Max connections in HTTP profile I assume we are running in to some limitation on max connections although I can’t find any documentation on Zen or on Pound that discusses this. We are load balancing a Magento store. Originally I had two farms, one for HTTP and one for HTTPS. Offloading SSL was one of the major goals. We did a soft launch and found that at around 200-400 connections on the HTTP farm the response time slowed to a crawl. None of the servers (Zen, App or DB) had much load at all. After banging my head around for a while I switched to a L4XNAT profile (after reading a post somewhere about a clustered Zen setup - front–end L4XNAT and then back-end HTTP Zen farms) and that seemed to solve the problem. So question being firstly, why the limitation and what is causing it? Resources were never an issue at all. I am ok with keeping the L4XNAT profile for the HTTP side of things but then what happens when the HTTPS farm starts needing that kind of connection size? I would rather not deal with SSL on each server, but if that is the end result I will. I just can’t see how 400 connections should be a limitation? Secondly, how now would I handle a redirect in Zen? I would like to get people off the root and on to WWW and would rather not have to let the traffic pass all the way back to the app servers before we do that. Almost every first time connection will be this way. Since I can’t use HTTP farms I can use the virtual host and redirect options. I suppose the only way is to have a dedicated IP for www and for root and use another farm just for redirection. But again I worry about connections… will that then end up with connection limitations? Or not because it is just redirect and done? Any input? - - - - - Scott Berry Lead Developer | Boom! Payments m: 1.661.478.7144
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