Since 3scale container sizes increased, they took up vg-docker--pool then Eviction Manager run in a customer's environment.

The most suspected container is system-sphinx, it outputs logs in the container.

On my tiny 3scale instance, the file size of production.searchd.log increases by every search.

sh-4.2$ ls -lF
total 2292
-rw-r--r--. 1 1000160000 root     219 Dec 12 07:41 production.log
-rw-------. 1 1000160000 root 2330577 Dec 19 02:14 production.searchd.log
-rw-------. 1 1000160000 root     232 Dec 19 02:16 production.searchd.query.log