slots

If I had to guess what would be a controversial topic from the mid-cycle meetup, it would have to be this slots proposal. I was actually in a Technical Committee meeting when this proposal was first made, but I'm told there were plenty of people in the room keen to give this idea a try. Since the mid-cycle Joe Gordon has written up a more formal proposal, which can be found at https://review.openstack.org/#/c/112733. If you look at the last few Nova releases, core reviewers have been drowning under code reviews, so we need to control the review workload. What is currently happening is that everyone throws up their thing into Gerrit, and then each core tries to identify the important things and review them. There is a list of prioritized blueprints in Launchpad, but it is not used much as a way of determining what to review. The result of this is that there are hundreds of reviews outstanding for Nova (500 when I wrote this post). Many of these will get a review, but it is hard for authors to get two cores to pay attention to a review long enough for it to be approved and merged. If…