On Sun 04-12-16 13:56:54, Raymond Jennings wrote: > I have an application that is generating HUGE amounts of dirty data. > Multiple GiB worth, and I'd like to allow it to fill at least half of my > RAM. Could you be more specific why and what kind of problem you are trying to solve? > I already have /proc/sys/vm/dirty_ratio pegged at 80 and the background one > pegged at 50. RAM is 32GiB. There is also dirty_bytes alternative which is an absolute numer. > it appears to be butting heads with clean memory. How do I tell my system > to prefer using RAM to soak up writes instead of caching? I am not sure I understand. Could you be more specific about what is the actual problem? Is it possible that your dirty data is already being flushed and that is wy you see a clean cache? -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>