+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 <
[hidden email]> 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 <
[hidden email]>
> 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
>
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