Detecting upstream server failures

[Weibin Yao]

John Moore at 2010-5-4 21:07 wrote:
> I'm using the nginx as a reverse proxy server, with the upstream 
> module, successfully doing round-robin load balancing between two 
> backend servers. Is there some way I can determine if one of the back 
> end servers has gone down? Nginx will seamlessly take it out of pool 
> if it does go down, which is great, but it would be handy to know 
> about it so some alert could be sent to the admin.
>
>
See this:
http://github.com/cep21/healthcheck_nginx_upstreams
>
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-- 
Weibin Yao