Hi John, Currently you can only change the following global configuration by using "earliest" or "latest", as shown in the code snippet below. As the Javadoc mentions: "What to do when there is no initial offset in Kafka or if the current offset does not exist any more on the server (e.g. because that data has been deleted)":
... props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest"); ... return new KafkaStreams(builder, props) In addition, there is a tool to reset the offsets of all topics to the beginning. This is useful for reprocessing: https://www.confluent.io/blog/data-reprocessing-with-kafka-streams-resetting-a-streams-application/ However, there is no option currently for resetting the offset to an arbitrary offset. Thanks Eno > On 18 Nov 2016, at 14:50, John Hayles <jhay...@etcc.com> wrote: > > Is there offset controls when using KStream? Before starting stream, can > the current offset be changed to current offset - 5000. > > I see KafkaConsumer has seek method, but I don't see how this helps when > using KStream. Could KafkaConsumer be used to change offset on a topic, then > use KStream to process it? > > Thanks for feedback... > > Regards, > John > > >