On Wednesday, July 24, 2013 03:46:10 AM Robie Basak wrote: > On Tue, Jul 23, 2013 at 09:31:15PM -0400, Scott Kitterman wrote: > > Before we run off and expend a lot more effort on this, I'd like to > > see something other than handwaving that this is really is a > > significant issue. > > [size comparisions snipped] > > My concern is latency, not size. How many round trips will we save this > way? For cloud images using Amazon S3 mirrors, for example, each request > is quite a bit slower AIUI, and apt-get doesn't currently support > concurrent requests to a single server. > > This is a pain for instances that start up with cloud-init and > immediately have to update sources and install things before they can > become functional. It'd be nice to see the delay from "juju deploy" to > having a live service running get shorter. Same for "juju add-unit". > Admittedly an alternative means to achieve this could be to have > cloud-init remove the deb-src lines first, but it seems a shame to leave > others behind if this really does improve things. > > I agree that I should come up with actual figures before pushing ahead > for this reason.
Has any work been done on concurrent requests? That would likely be pretty broadly useful, not just for cloud images. Scott K -- ubuntu-devel mailing list ubuntu-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel
