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Varnish Backend Back To Live After “Service Scan” by Domain Dossier

My Varnish Cache works fine except there is annoying issue that every few hours, the backend probe will report sick for 3 of my 4 backends. So site can't open, report 503 obviously. The strange thing ...
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48 views

can't verify google app engine backend site using google webmaster tools

How can I verify my google app engine backend site using the google webmaster tools? I tried the step to download the given html file and open it using my backend site, but when I click verify it ...
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1answer
237 views

Add extra zones outside the MySQL database

In need of a MySQL backend for my DNS server, I have decided to switch from Bind to PowerDNS, the MySQL backend of which is slightly more convenient. Basically : users add domains to my database ...
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1answer
400 views

varnish backend conn. failure

using: varnish-3.0.4 can anyone suggest potential cause of backend connection failure, this normally happens when N-Worker_thread goes anything above default of 100 worker_thread(not necessarily all ...
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1answer
270 views

Is there a reverse proxy that can make SPDY connections to a back-end?

...other than spdylay in --spdy-relay mode? We've got a situation where a reverse-proxy has to talk SSL to a Tomcat server, and I'd love to test the performance boost of SPDY. Apache and Nginx both ...
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188 views

Apache as Load balancer - forcing a break in persistent connection

I have setup a load balancer with Apache 2.2 via mod_proxy and mod_proxy_balancer. The load balancing works just fine, but there is one case I cannot find any configuration options for, namely, while ...
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2answers
114 views

load balancing and port speed/bandwidth

help me understand something about load balancing. Let's pretend we have one server as frontend and three servers as backend. All are hosted in the same datacenter using a local connectivity. ...
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1answer
1k views

nginx : backend https, proxy_pass shows ip

I am using nginx as a reverse proxy listening at port 80 (http). I am using proxy_pass to forward requests to backend http and https servers. Everything works fine for my http server but when I try to ...
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1answer
185 views

customizable web email client backend

I have a comprehensive internal web site for my company, which handles a lot of crm functions as well as other customized functions. I am trying to integrate all needed aspects into this, and am ...
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1answer
891 views

Proxy to “backend” service whenever a file does not exists

I'm using NGINX to serve static file. Whenever a file does not exist, I want NGINX to hit a nodejs backend service that will try to asynchronously retrieve that file. The backend service needs 3 ...
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1answer
196 views

Nginx and Frog CMS admin url

Short background - there is a site (powered by Frog CMS) hosted on VPS with Apache installed. To cut costs a bit, I've moved to another VPS hosting with cheaper plan. I've installed nginx, php-cgi ...
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4answers
1k views

Varnish / Apache redirecting to backend port 8080

I'm running Varnish 2 with Apache backend at 8080 on the same machine. Everything is working fine, except one problem: Sometimes Apache(?) is redirecting to backend port :8080 especially when I'm ...
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1answer
452 views

Uknown nginx Error Messages

I am getting some nginx errors as I can see them in my error.log which I am unable to understand. They look like: ERRORS: 2011/03/13 21:48:21 [crit] 14555#0: *323314343 open() ...
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4answers
807 views

Suggestions for VPN solution between backend servers

I am using a rackspace cloud environment to host a server farm. The problem i've run into is that Rackspace shares all internal network traffic on a single subnet (or rather, all the servers in what ...