use the http_perl_module to development a simple url hash module

[焦胜强]

        perl_set $backend '
                sub {
                        use Digest::MD5 (md5_hex);
                        my $r = shift;
                        my $uri = $r->uri;
                        @arr = qw(192.168.1.2 192.168.1.3 192.168.1.4
192.168.1.5);
                        $arr_num = $#arr + 1;
                        $url = substr(md5_hex($uri), -8);
                        $backend = $arr[hex($url) % $arr_num];
                        return $backend;
                }
        ';

location / {
        proxy_pass http://$backend$request_uri;
}
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://nginx.org/pipermail/nginx/attachments/20071225/9c021c3f/attachment.html>