On Mon, Feb 28, 2011 at 03:13:42PM +0200, Eli Malul wrote: > But, do you know why having 10,000 extents is causing this overwhelming > memory usage? Nobody considered having a huge number of tiny mirrors reasonable or necessary so no attempt has been made to optimise that situation. Alasdair -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel