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Re: Need help setting up cache for failover

December 04, 2014 12:09PM
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@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
> >
> > _______________________________________________
> > nginx mailing list
> > nginx@nginx.org
> > http://mailman.nginx.org/mailman/listinfo/nginx
> >
> _______________________________________________
> nginx mailing list
> nginx@nginx.org
> http://mailman.nginx.org/mailman/listinfo/nginx
Subject Author Posted

Need help setting up cache for failover

Fry-kun December 03, 2014 08:25PM

Re: Need help setting up cache for failover

B.R. December 04, 2014 03:44AM

Re: Need help setting up cache for failover

Fry-kun December 04, 2014 12:09PM

Re: Need help setting up cache for failover

B.R. December 04, 2014 02:28PM



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