Comment 8 for bug 1401817

I can reproduce this very easily. Just download a 30G file with wget. The kernel fills up your memory until the machine starts swapping. Most consuming memory area is the cache memory.

$ free
             Gesamt Belegt Frei Gemeinsam Puffer Cached
Speicher: 16374340 15801164 573176 138524 88 9082352
-/+ Puffer/Cache: 6718724 9655616
Auslagerungsdatei: 16777208 1397596 15379612

Image is stored in an XFS filesystem on a rotating disc partition.