Lua/Redis Routing with Failover

[agentzh]

On Wed, Feb 1, 2012 at 11:27 AM, Rick Richardson
<rick.richardson at gmail.com>wrote:

> I have a requirement to route dynamically by domain to a set of all
> participating peers similar to the Dynamic Request Routing Based on
> Redis in Open Resty, the difference is that if one upstream peer is
> down, I'd like to fail over to the next one.  So Redis would return a
> priority-sorted list of upstream peers for any given domain instead of
> 1.
>
>
Well, just put multiple (redis) servers into every upstream config block,
like this:

    upstream A {
        server foo.com:6379;
        server bar.com:6379 backup;
    }

Then bar.com:6379 will be a backup node for foo.com:6379 when
foo.com:6379is down.

Best regards,
-agentzh
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