Space usage in /usr/local/lsws/cachedata/priv/

ok so I noticed my new website on linode with 25GB is using almost 90% of disk space. So biggest folder with space usage is this

/usr/local/lsws/cachedata/priv/

root@localhost:/dev# sudo du -sh /usr/local/lsws/cachedata/priv/* | sort -hr
499M /usr/local/lsws/cachedata/priv/6
496M /usr/local/lsws/cachedata/priv/a
494M /usr/local/lsws/cachedata/priv/e
491M /usr/local/lsws/cachedata/priv/7
491M /usr/local/lsws/cachedata/priv/4
490M /usr/local/lsws/cachedata/priv/d
490M /usr/local/lsws/cachedata/priv/c
490M /usr/local/lsws/cachedata/priv/0
489M /usr/local/lsws/cachedata/priv/f
489M /usr/local/lsws/cachedata/priv/8
489M /usr/local/lsws/cachedata/priv/1
488M /usr/local/lsws/cachedata/priv/5
488M /usr/local/lsws/cachedata/priv/3
487M /usr/local/lsws/cachedata/priv/2
484M /usr/local/lsws/cachedata/priv/9
483M /usr/local/lsws/cachedata/priv/b
root@localhost:/dev#

what is the priv folder? i see two other folders what show my domain names dev and mail but this priv folder I dont know. Is my server hacked and its being used for hosting files or something ?

dont worry your server is not hacked, the cache module is enabled on your website and the priv folder is where OpenLiteSpeed stored all cache data, for more information check this page.

https://openlitespeed.org/kb/openlitespeed-cache-module/