&gt;  I noticed that it ran painfully slow on devices with slower disks. I suppose that is going to change now<p>No, most of the time is spent fsync&#x27;ing and it is a problem at a lower layer (related to dpkg), but ot apt. Too many bug reports to list but see [0] for the latest one.<p>You can use apt with eatmydata as a workaround.<p>[0] <a href="https:&#x2F;&#x2F;bugs.debian.org&#x2F;cgi-bin&#x2F;bugreport.cgi?bug=613428" rel="nofollow">https:&#x2F;&#x2F;bugs.debian.org&#x2F;cgi-bin&#x2F;bugreport.cgi?bug=613428</a>