omkar_jadhav_20 Wrote:
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> Hi,
>
> We have used tmpfs to mount frequently used media application cache
> serving. We have also mounted rest applications on disk where we are
> facing similar issues of max_size being breached . Please find below
> details for your reference :
>
> # du -sh /cache/*
> 245G /cache/12007
> 161G /cache/12152
>
> # grep a12007 /etc/nginx/nginx.conf
> proxy_cache_path /cache/12007 keys_zone=a12007:200m levels=1:2
> max_size=200g inactive=10d;
> # grep a12152 /etc/nginx/nginx.conf
> proxy_cache_path /cache/12152 keys_zone=a12152:200m levels=1:2
> max_size=100g inactive=10d;
>
> # df -Th
> Filesystem Type Size Used Avail Use% Mounted
> on
> /dev/mapper/vg_os-lv_root ext4 99G 1.5G 92G 2% /
> devtmpfs devtmpfs 756G 0 756G 0% /dev
> tmpfs tmpfs 756G 0 756G 0%
> /dev/shm
> tmpfs tmpfs 756G 50M 756G 1% /run
> tmpfs tmpfs 756G 0 756G 0%
> /sys/fs/cgroup
> /dev/mapper/vg_os-lv_usr ext4 99G 1.4G 92G 2% /usr
> /dev/sda1 ext4 477M 106M 343M 24% /boot
> /dev/mapper/vg_cache-lv_cache ext4 1.5T 1.4T 0 100% /cache
>
> Please let us what went wrong here and how this can be corrected.
In addition we are getting 90% of cache hit ratio. as suggested by Steve , will just making below mounting option changes in fstab will resolve this issue or I am missing/misscalculating anything :
nodev,noexec,nosuid,noatime,async,size=xxxM,mode=0755,uid=xx,gid=xx