Re: Modeling charts

2015-02-18 Thread Uwe Dauernheim
, > > Fang, Yan > yanfang...@gmail.com > +1 (206) 849-4108 > > On Tue, Feb 17, 2015 at 11:35 AM, Uwe Dauernheim wrote: > >> I try to model a music charts system to get familiar with Samza. >> Charts are defined by the top N entries with highest count of a map >&g

Modeling charts

2015-02-17 Thread Uwe Dauernheim
I try to model a music charts system to get familiar with Samza. Charts are defined by the top N entries with highest count of a map from unique track ID, basically a song, to counter, basically the amount of plays of this entity, during a sliding time-window. The problem I see is that of an everg