Thanks for the input folks! Sounds like a singular value across my application (despite that application writing to multiple topics) is what I want.
On Fri, Nov 11, 2022 at 1:34 PM Byron Ellis via user <user@beam.apache.org> wrote: > The Kafka consumer offset key > <https://github.com/apache/kafka/blob/trunk/core/src/main/resources/common/message/OffsetCommitKey.json> > is > (group, topic, partition) > > On Fri, Nov 11, 2022 at 7:58 AM John Casey via user <user@beam.apache.org> > wrote: > >> I haven't done this experimentally before, so take this with a grain of >> salt, but... >> >> Kafka Group Ids are essentially used to track where a logical (aka >> application level, not thread/machine level) producer / consumer is at. As >> such, I think it would be fine to use just one group id, even when writing >> to multiple topics >> >> On Thu, Nov 10, 2022 at 6:30 PM Evan Galpin <egal...@apache.org> wrote: >> >>> Hey folks, >>> >>> I can see in the docs for "withEOS"[1] in the KafkaIO#Write section that >>> the sinkGroupId is recommended to be unique per job. I'm wondering about a >>> case where a single job outputs to multiple topics. Would it be advisable >>> to have a unique sinkGroupId per instance of KafkaIO#Write transform, or >>> still only per job even if the job has multiple KafkaIO#Write? >>> >>> Thanks in advance! >>> >>> [1] >>> https://beam.apache.org/releases/javadoc/2.41.0/org/apache/beam/sdk/io/kafka/KafkaIO.WriteRecords.html#withEOS-int-java.lang.String- >>> >>