I do not think this will be implemented in the server. Why not simply create a consumer that filters as required and outputs to a new topic?
> On Aug 28, 2019, at 7:48 AM, Xiangyuan LI <flashmouse2...@gmail.com> wrote: > > Hi, > I want to know whether kafka has any plan to filter message on > server-side.this can reduce network flow obviously when many groups > subscribe the same one topic and only need part of message.