Hello,

Your cache have 200m space for keys. This is around 1.6M items, isn't it?
How much files do you have in your cache? May we have a look at
`df -i ` and `du -s /cache/123` output, please?

On 06.01.2017 08:40, omkar_jadhav_20 wrote:
> Hi,
>
> I am using nginx as webserver with nginx version: nginx/1.10.2. For faster
> access we have mounted cache of nginx of different application on RAM.But
> even after giving enough buffer of size , now and then cache is getting
> filled , below are few details of files for your reference :
> maximum size given in nginx conf file is 500G , while mouting we have given
> 600G of space i.e. 100G of buffer.But still it is getting filled 100%.
>
> fstab entries :
> tmpfs /cache/123 tmpfs defaults,size=600G
> 0 0
> tmpfs /cache/456 tmpfs defaults,size=60G
> 0 0
> tmpfs /cache/789 tmpfs defaults,size=110G
> 0 0
>
> cache getting filled , df output:
>
> tmpfs tmpfs 60G 17G 44G 28%
> /cache/456
> tmpfs tmpfs 110G 323M 110G 1%
> /cache/789
> tmpfs tmpfs 600G 600G 0 100%
> /cache/123
>
> nginx conf details :
>
> proxy_cache_path /cache/123 keys_zone=a123:200m levels=1:2 max_size=500g
> inactive=3d;
>
> server{
> listen 80;
> server_name dvr.catchup.com;
> location ~.*.m3u8 {
> access_log /var/log/nginx/access_123.log access;
> proxy_cache off;
> root /xyz/123;
> if (!-e $request_filename) {
> #origin url will be used if content is not available on DS
> proxy_pass http://10.10.10.1X;
> }
> }
> location / {
> access_log /var/log/nginx/access_123.log access;
> proxy_cache_valid 3d;
> proxy_cache a123;
> root /xyz/123;
> if (!-e $request_filename) {
> #origin url will be used if content is not available on server
> proxy_pass http://10.10.10.1X;
> }
> proxy_cache_key $proxy_host$uri;
> }
> }
>
> Posted at Nginx Forum: https://forum.nginx.org/read.php?2,271842,271842#msg-271842
>
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> http://mailman.nginx.org/mailman/listinfo/nginx


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