Hi Alex, What do you mean by "large"? Do you mean changesets that span a large area (spanning whole continents)? Or changesets that have a lot of objects modified (perhaps more than 1000)?
Based on the examples you provided, it seems you mean the former. Is this correct? Eugene On Wed, Oct 17, 2012 at 7:04 AM, Alex Barth <[email protected]> wrote: > > I really like how activity streams shows easy-to-understand changes on the > map using changemonger [1,2]. At the same time it creates an alternative > break down of changes that is more granular than changesets. This diverts > attention from _comments on changesets_. This is not ideal in my mind - these > comments on changesets have great potential to become an even more important > communication channel in the future. > > I understand activity streams / changemonger suggests a broken up view of > data changes because many changesets are so large that they are effectively > not meaningful. I'd like to understand better why these changesets are so > large. > > Unscientifically digging back on the history of today, I'm seeing many many > changesets that seem like they could be just as well much smaller - both in > the sense of geographic extent and number of elements - I don't want to call > anybody out here, but this is what I found: > > - http://www.openstreetmap.org/browse/changeset/13514072 > - http://www.openstreetmap.org/browse/changeset/13523015 > - http://www.openstreetmap.org/browse/changeset/13508818 > > I understand that there will always be cases where a large changeset makes > sense (e. g. bot changes), but it seems that we have many unnecessarily large > changesets that make changesets a not very useful granularity for looking at > data history. > > My questions > > - What are the recommendations for change set sizes? > - Are there technical reasons why changesets should tend to be large? Are > they expensive on some level? > - Could editors encourage users to do more and smaller changesets? > - What else could be done to encourage smaller changesets with meaningful > comments? > > [1] > http://lists.openstreetmap.org/pipermail/rails-dev/2012-October/001086.html > [2] Click on 'activity' here > http://suncobalt.dyndns.org:8081/?lat=51.61&lon=22.44&zoom=7&layers=M > > Alex Barth > http://twitter.com/lxbarth > tel (+1) 202 250 3633 _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
