Comment by cratermoon

I knew before I got into the meat of the article that it was going to be i/o contention. The first two sections talked about memory and cpu limits on the containers, but nothing about i/o rates. This was a Known Problem back in the 90s when a variety of filesystems (DEC's AdvFS being one) that were efforts to address the issues around dentries and inode. See also http://www.starcomsoftware.com/proj/usenet/doc/c-news.pdf