oh that's great. thank you
On Fri, Oct 23, 2015 at 10:39 PM, pushkar priyadarshi <priyadarshi.push...@gmail.com> wrote: > Currently there are no partitions based subscription inside topic.So when > you subscribe to both topics your consumer will get data from each > partitions in these two topics, i dont think you would be missing anything. > > > > On Fri, Oct 23, 2015 at 11:35 AM, Fajar Maulana Firdaus <faja...@gmail.com> > wrote: > >> I am using kafka to implement event sourcing. Based on a threat in >> http://search-hadoop.com/kafka, I created sepparate topic for my >> events, e.g. UserCreatedEvent and UserUpdateEmailEvent. Both events >> are using userId as the message key. However assuming each topic has >> several partition, how to setup the consumer? >> >> My consumer is listening to both events / topics. But I am not sure if >> my consumer didn't miss the event for user A from both topics because >> in topic UserCreated, key userA can end up in partition 1 but on >> UserUpdateEmail topic, key userA can end up in other partition. >> >> Or does it mean I need to make consumer to listen to all partition? >> But this approach is not scalable. >> >> Thank you, >> Fajar >>
