Fastcgi_cache Key Length Bug

Maxim Dounin mdounin at
Fri Apr 8 05:45:19 MSD 2011


On Thu, Apr 07, 2011 at 11:28:45AM -0400, cromulus wrote:

> I figured it out. 
> Here is the problem: if the fastcgi_cache_bypass directive is below the
> fastcgi_cache_key directive, you encounter this particular problem.
> Moving the fastcgi_cache_bypass directive above the fastcgi_cache_key
> directive solved the problem and now urls of any length are process
> correctly.

I believe the problem in your case is not order of directives, but 
fastcgi_cache_bypass itself.  It has known problem that it doesn't 
work correctly (results in corrupted cache entries) unless the 
same predicates are used in fastcgi_no_cache.

Maxim Dounin

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