Need help setting up cache for failover

[Fry-kun]

I am; that was a copy/paste error. The original config is around 3000 lines,
it was easier to type & copy/paste than cleaning up unnecessary lines.


~Konstantin


B.R. Wrote:
-------------------------------------------------------
> Quick quesiton; I see you are using proxy_intercept_errors. Should not
> you
> be using fastcgi_intercept_errors
> <http://nginx.org/en/docs/http/ngx_http_fastcgi_module.html#fastcgi_in
> tercept_errors>
> ?
> ---
> *B. R.*
> 
> On Thu, Dec 4, 2014 at 2:25 AM, Fry-kun <nginx-forum at nginx.us> wrote:
> 
> > I'm trying to configure my sites to failover to fastcgi_cache when
> backends
> > are unavailable -- but at the same time I want to return nginx
> errors
> > (hiding backend errors)
> >
> > Here's a simplified version of my current config:
> >
> > fastcgi_cache_path  /dev/shm/nginx_fastcgi_cache  levels=1:2 
> inactive=3d
> > keys_zone=mycache:100m max_size=5000m;
> > fastcgi_cache_use_stale  error http_500 http_503 timeout updating;
> > fastcgi_cache_valid      200  5m;
> > fastcgi_cache_valid      404  1m;
> > proxy_intercept_errors on;
> > server  {
> >   server_name  domain.com
> >   root  /var/www/domain.com;
> >   location  /  {
> >     try_files  $uri  @hhvm_backends;
> >   }
> >   location  @hhvm_backends  {
> >     fastcgi_pass  backend-nodes;    # upstream hhvm backends
> >     fastcgi_cache  mycache;
> >     ...
> >   }
> >   error_page  404  @404;
> >   error_page  500  @500;
> >   location  @404  {  echo "404: file not found!";  }
> >   location  @500  {  return  500;  }    # default nginx error page
> > }
> >
> >
> > Right now, if the server is down and location is stale in cache, I
> get the
> > default nginx 500 error page.
> > According to debug log, the problem with this one is that error_page
> > handling takes over before fastcgi_cache_use_stale has a chance to
> do its
> > thing.
> >
> > Is there an easy way to fix this?
> >
> > Thanks
> >
> > Posted at Nginx Forum:
> > http://forum.nginx.org/read.php?2,255298,255298#msg-255298
> >
> > _______________________________________________
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> > nginx at nginx.org
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> >
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Posted at Nginx Forum: http://forum.nginx.org/read.php?2,255298,255307#msg-255307