blank page on some micro-cached pages

[Maxim Dounin]

Hello!

On Mon, Nov 25, 2013 at 04:47:04PM +0100, Ronald Van Assche wrote:

> It seems related to every update on a post and the use of the WP plugin Nginx-Helper

>From a description of the plugin, it looks like it is expected to 
work with 3rd party cache purge module.  It may explain things if 
you don't have the module compiled.  Just switching off the 
pluging is probably a best solution.

> if i add $upstream_cache_status to the log format , nothing is logged.
> Should i recompile Nginx 1.5 with some additional modules ?
> 
> On the Freebsd port we have : 
> 
> [ ] HTTP_UPSTREAM_FAIR    3rd party upstream fair module                 
> [ ] HTTP_UPSTREAM_HASH    3rd party upstream hash module                 
> [ ] HTTP_UPSTREAM_STICKY  3rd party upstream sticky module
> 
> which do I have to select ?

You don't need these modules.  If $upstream_cache_status isn't 
logged, it's most likely a problem in your configuration - e.g., 
the log format you've modified isn't used by your access_log 
directive.

-- 
Maxim Dounin
http://nginx.org/en/donation.html