That is not what Ufuk said. You can use a singleton auxiliary task that communicates in both directions with the vertices and acts as a coordinator between vertices on the same level.
On Thu, Jun 4, 2015 at 2:55 PM, Gyula Fóra <gyula.f...@gmail.com> wrote: > Thank you! > I was aware of the iterations as a possibility, but I was wondering if we > might have "lateral" communications. > > Ufuk Celebi <u...@apache.org> ezt írta (időpont: 2015. jún. 4., Cs, 13:29): > > > > > On 04 Jun 2015, at 12:46, Stephan Ewen <se...@apache.org> wrote: > > > > > There is no "lateral communication" right now. Typical pattern is to > > break > > > it up in two operators that communicate in an all-to-all fashion. > > > > You can look at the iteration tasks: the iteration sync task is > > communicating with the iteration heads like this. >
