nginx 0.8.49

Hello List,

have a problem with cached images which dont want to expire from cache.
i use nginx as proxy with 2 ApacheBackends. On backend an image was updated
by ftp but nginx still serves cached image for hours. i had to delete it
manually...
in nginx.conf i use:

proxy_cache_min_uses 1;
proxy_cache_valid 200 5m;
proxy_cache_path /usr/local/nginx/proxy_temp/ levels=1:2
keys_zone=ramdisk:1000m inactive=10m max_size=2000M;

I need some help, in which direction i should look for problems?

Thanks,
Hajo


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