+1 Technically 0.28.0 was only supposed to be compatible with 0.27.0 and 1.0.
On Fri, Jan 20, 2017 at 8:02 PM, Zameer Manji <zma...@apache.org> wrote: > +1 > > > > On Fri, Jan 20, 2017 at 10:58 AM, Neil Conway <neil.con...@gmail.com> > wrote: > > > I'd like to propose that the Mesos 1.3.0 should not allow pre-1.0 > > Mesos agents to register. > > > > Motivation: > > > > (1) We can simplify the master code in a few places. For example, we > > can assume that we always have a FrameworkInfo for any task running on > > a registered agent. Needing to handle running tasks without a > > FrameworkInfo makes the code unreadable and has been a source of bugs. > > > > (2) The master only needs to report "orphan tasks" and "unregistered > > frameworks" if the cluster contains pre-1.0 agents. If we disallow > > such agents, we can remove the code for computing these fields in the > > HTTP endpoints and elsewhere. (We'll probably still need to keep the > > actual fields in the JSON/protobuf output for backward compatibility, > > but they will always be empty.) We can also remove "orphan tasks" from > > the web UI. > > > > In addition to declaring that Mesos 1.3.0 masters will not support > > pre-1.0 Mesos agents in the CHANGELOG, it seems safer to me to > > disallow such agents from registering. > > > > Comments welcome. > > > > Thanks, > > Neil > > > > -- > > Zameer Manji > > >
