thekua.com@work

Here’s the configuration file that we ended up with testing an active passive configuration for our application using the software load balancer Nginx that I previously posted about.

worker_processes  1;
error_log  logs/error.log;
events {
    worker_connections  1024;
}

####################################
#
#          loadbalancer
#         localhost:7777
#           /          \
#   webServerA         webServerB
# localhost:8080      localhost:8181
#    (active)           (passive)
#
####################################

http {
    include               mime.types;
    default_type          application/octet-stream;
    proxy_connect_timeout 2s;
    proxy_read_timeout    2s;

    sendfile              on;
    keepalive_timeout     65;

    upstream backend {
        server 127.0.0.1:8080     fail_timeout=1s max_fails=1;    # active node
        server 127.0.0.1:8181     backup;                         # passive node
    }

    server {
        listen                   7777;
        server_name  localhost;

        location / {
            proxy_pass http://backend;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}

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