Re: recursive_error_pages limited to a chain of 11?

[Maxim Dounin <mdounin@xxxxxxxxxx>]

Hello!

On Tue, Sep 25, 2012 at 10:57:23AM -0400, o456092@xxxxxxxxx wrote:

> Hi Maxim,
> 
>    Thanks for pointing  this out.
> 
>    You mentioned using: proxy_next_upstream, rather than my current strategy
> - would you happen to know if this has any limitations?  Will this serve the
> same purpose as the current configuration that I have?  Would it perform,
> better, worse, or the same?

This depends on what you actually want to do with your 
configuration.  Single upstream block with proxy_next_upstream 
e.g. won't allow you to define strict order of servers to query, 
but will use configured balancer (round-robin by default) instead.
It might be seen as a limitation in some cases (if you need strict
execution order), but an advantage in others (if order doesn't 
matter but you actually need load distribution).

For a use case very very similar to yours

    proxy_next_upstream http_404;

was specifically implemented.  It allows to ask servers in an
upstream block for a resource, falling back to other server(s) if
the resource isn't found. 

-- 
Maxim Dounin
http://nginx.com/support.html

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