I hope this helps: https://cwiki.apache.org/confluence/display/KAFKA/Consumer+Group+Example
"if you have more partitions than you have threads, some threads will receive data from multiple partitions" On Tue, Aug 26, 2014 at 10:00 AM, Vetle Leinonen-Roeim <ve...@roeim.net> wrote: > Hi, > > As far as I can see, the (otherwise great and very helpful) documentation > isn't explicit about this, but: given more partitions than consumers, will > all messages still be read? > > I've discussed this with some people, and there is some disagreement, so a > clear answer to this would be greatly appriciated! > > Regards, > Vetle