以下是Ubuntu Linux 18.04 LTS系统中overlay2文件系统消耗磁盘空间的情况。
服务器总磁盘空间为125GB。
overlay 124G 6.0G 113G 6% /var/lib/docker/overlay2/9ac0eb938cd2a50bb87e8ed13605d3f09214fdd9c8967f18dfc3f9432701fea7/merged
overlay 124G 6.0G 113G 6% /var/lib/docker/overlay2/397b099799212060ee7a4718660aa13aba8aa1fbb92f4d88d86fbad94e572847/merged
shm 64M 0 64M 0% /var/lib/docker/containers/7ffb129016d187a61a31c33f9e468b98d0ac7ab1771b87631f6caade5b84adc6/mounts/shm
overlay 124G 6.0G 113G 6% /var/lib/docker/overlay2/df7c4acee73f7aa2536d2a8929a48241bc8e92a5f7b9cb63ab70cea731b52cec/merged