Re: Something like a unique key to prevent same record from being inserted twice?

[jim . meyer]

On 2019/04/02 21:59:21, Hans Jespersen <h...@confluent.io> wrote: 
> yes. Idempotent publish uses a unique messageID to discard potential 
> duplicate messages caused by failure conditions when  publishing.
> 
> -hans  
> 
> > On Apr 1, 2019, at 9:49 PM, jim.me...@concept-solutions.com 
> > <jim.me...@concept-solutions.com> wrote:
> > 
> > Does Kafka have something that behaves like a unique key so a producer 
> > can’t write the same value to a topic twice?
> 

Hi Hans,

    Is there some documentation or an example with source code where I can 
learn more about this feature and how it is implemented?

Thanks,
Jim