Hello!

On Sun, Jun 02, 2013 at 09:34:58AM +0800, flygoast wrote:

> Hi, guys
>
>
> In my business, I need dynamicly to find the backend ip address
> according to the request. However, I also want to use the
> upstream to take advantage of load balance. So I add the
> variable support in server directive. For sake of avoiding
> blocking the whole worker due to resolving domain, at present,
> only dotted decimal IP address should be parsed in
> the variables. Anyone can help to check or improve it? Thanks.

Load balancing requires a state for a group of servers to be kept
between requests. This somewhat contradicts an idea of
dynamically finding a backend's ip address for each request -
instead of balancing backends the code will balance backend
"placeholders".

Have you tried dynamically finding an upstream{} block name
instead, and configuring appropriate upstream{} blocks? This is
available out of the box.

--
Maxim Dounin
http://nginx.org/en/donation.html

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