NGINX stale-while-revalidate cluster

Frank Dias frank.dias at
Fri Jul 7 13:24:59 UTC 2017

Have you thought about using a shared file system for the cache. This way all the nginx 's are looking at the same cached content.

On Jul 7, 2017 5:30 AM, Joan Tomàs i Buliart <joan.tomas at> wrote:
Hi Lucas

On 07/07/17 12:12, Lucas Rolff wrote:
> Instead of doing round robin load balancing why not do a URI based
> load balancing? Then you ensure your cached file is only present on a
> single machine behind the load balancer.

Yes, we considered this option but it forces us to deploy and maintain
another layer (LB+NG+AppServer). All cloud providers have round robin
load balancers out-of-the-box but no one provides URI based load
balancer. Moreover, in our scenario, our webservers layer is quite
dynamic due to scaling up/down.


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