+1 for using long for both IDs. But I don't understand what's the advantage of using a String as user ID.
On Sun, Jun 14, 2015 at 6:43 PM Robert Metzger <rmetz...@apache.org> wrote: > Hi Ronny, > > I accepted your previous mail to the mailing list, you got two replies: > > http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/Apache-Flink-0-9-ALS-API-td6424.html > > Sorry for the confusion. > > On Sun, Jun 14, 2015 at 9:23 AM, Ronny Bräunlich <r.braeunl...@gmail.com> > wrote: > > > Hello everybody, > > > > for a university project we use the current implementation of ALS in > Flink > > 0.9 and we were wondering about the API of predict() and fit() requiring > a > > DataSet[(Int, Int)] or DataSet[(Int, Int, Double]) respectively, because > > the range of Int is quite limited. > > That is why we wanted to ask you if it wouldn’t be advantageous to change > > Int to Long, to allow more values. > > Please let me know what you think about it. > > > > Cheers, > > Ronny >
