It will be two transactions. Note, that Kafak transactions are not the same thing as transactions in RDBMS. There is no notion of ACID guarantees. Kafka's transactions only guarantee that you get exactly-once processing semantics.
-Matthias On 2/5/18 3:27 AM, Pegerto Fernandez Torres wrote: > Hello all, > > Can someone help me to understand the throught operation? > > At the documentation, the operation is equivalent to use #to# and define a > #stream#. And according to the code that is exactly what it does, invoke > to and return a stream. > > Now I want to store a intermediate result of the topology but I don't see > how this operation can be process in the same transaction. > > Does the thought operation write and read in the same transaction ? > > Thanks in advance. > > Regards. > >
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