On Tue, 29 Nov 2016 09:40:19 -0800, Marc MERLIN wrote: >> One thing you can try is to just make the global limits much lower. As in >> >> echo 2 > /proc/sys/vm/dirty_ratio >> echo 1 > /proc/sys/vm/dirty_background_ratio > > I will give that a shot, thank you. Definitely do - your default values are way too high. Another thing to try would be to activate the 'new' free-space-tree, i.e. mount once with space_cache=v2. It will vastly reduce writeback stalls especially with many small files or updates, and has been working reliably ever since it landed. -h -- 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>