Force cache refresh

[Scott Smith]

On Jun 17, 2010, at 11:24 AM, Ole Laursen wrote:
> Hi!
> 
> I'd like to force a refresh of a cache entry - is there any built-in way of
> doing that? So the incoming request retrieves a new response from the back-end
> and inserts it in the cache even if the previous entry was still valid?
> 
> I have some pages that take > 1 s to generate. I'm caching those with
> proxy_cache with a timeout of a few minutes. Works fine, but unfortunately the
> first client that gets in after a slow period will have to wait. I'd like to be
> able to refresh some URLs periodically with a script, keeping the cache warm, so
> it's always snappy.
> 


Check out the cache purge module.