proxy_cache_path growing beyond max_size

[Maxim Dounin]

Hello!

On Thu, Aug 25, 2011 at 11:31:36AM -0400, gaima wrote:

> morpheu Wrote:
> -------------------------------------------------------
> > Hi,
> > 
> > I've read documentation about proxy_cache_path,
> > proxy_temp_path and client_body_temp_path
> > directives but I'm a bit confused about proxy
> > cache size and clean up cache manager process.
> > Using tools like skipfish to test website security
> > give me lot of 404 errors, which is a normal, but
> > setting proxy_cache_valid to a tiny value, around
> > 1m, always causes cache increased beyond limits.
> > So, here is my settings: 
> > 
> > proxy_cache_path  /var/cache/proxy/proxy_cache 
> > levels=2:2:2 keys_zone=cache_local:2m 
> > max_size=200m inactive=1d;
> > client_body_temp_path
> > /var/cache/proxy/client_body_temp 2 2 2
> > proxy_temp_path /var/cache/proxy/proxy_temp 2 2
> > 2;
> > 
> > proxy_cache_path always grows above 200m and fill
> > up entire FS until it runs out of space. Is cache
> > manager process should keep it with enough space,
> > right? What am I doing wrong ? 
> > 
> > Regards.
> 
> 
> I've been seeing this today aswell. The cache manager process isn't
> running.
> 
> 2011/08/24 15:50:20 [notice] 10723#0: signal 1 (SIGHUP) received,
> reconfiguring
> 2011/08/24 15:50:20 [notice] 10723#0: reconfiguring
> 2011/08/24 15:50:20 [notice] 10723#0: using the "epoll" event method
> 2011/08/24 15:50:20 [notice] 10723#0: start worker processes
> 2011/08/24 15:50:20 [notice] 10723#0: start worker process 14266
> 2011/08/24 15:50:20 [notice] 10723#0: start worker process 14267
> 2011/08/24 15:50:20 [notice] 10723#0: start cache manager process 14268
> 2011/08/24 15:50:20 [alert] 14268#0: epoll_ctl(1, 0) failed (1:
> Operation not permitted)
> 2011/08/24 15:50:20 [alert] 14268#0: failed to register channel handler
> while initializing push module worker (1: Operation not permitted)

This looks like push module related problem.

Maxim Dounin