I went through the logs segment of the topic and i see that the data from the producerID still exists in the topic and the new messages received are well with in the retention period ( 336 hr).
Starting offset: 359 offset: 359 position: 0 CreateTime: 1541667838856 isvalid: true keysize: 39 valuesize: 500 magic: 2 compresscodec: GZIP producerId: 39002 producerEpoch: 0 sequence: 0 isTransactional: false headerKeys: [] key: ${currentDate[yyyy-mm-dd hh:MM:ss.SSS]} payload: {"table": offset: 360 position: 405 CreateTime: 1542334682507 isvalid: true keysize: 39 valuesize: 501 magic: 2 compresscodec: GZIP producerId: 41003 producerEpoch: 0 sequence: 0 isTransactional: false headerKeys: [] key: ${currentDate[yyyy-mm-dd hh:MM:ss.SSS]} payload: {"table": offset: 361 position: 405 CreateTime: 1542334682507 isvalid: true keysize: 39 valuesize: 500 magic: 2 compresscodec: GZIP producerId: 41003 producerEpoch: 0 sequence: 1 isTransactional: false headerKeys: [] key: ${currentDate[yyyy-mm-dd hh:MM:ss.SSS]} payload: {"table":" I would be grateful if someone can help me find the root cause On Fri, Nov 16, 2018 at 11:47 AM Faisal Durrani <te04.0...@gmail.com> wrote: > Hi Users, > > Apologies if this question has been asked before but i have not been able > to find the answer. > > I am seeing this error in the Kafka logs : > > [ReplicaManager broker=1001] Error processing append operation on > partition TABLE-0 (kafka.server.ReplicaManager) > org.apache.kafka.common.errors.UnknownProducerIdException: Found no record > of producerId=39002 on the broker. It is possible that the last message > with the producerId=39002 has been removed due to hitting the retention > limit. > > This is the 2nd time we are seeing this error , we changed the retention > limit to a larger value when we got the error the first time but its back > now. We have 5 node Kafka cluster with Oracle golden gate as producer. The > topic TABLE as 5 partition but at this point the data is not getting > distributed on the cluster because( because Oracle is sending the same > kafka.key for all the messages) . The compression type is set to 'producer' > and at GG its set to gzip. > > Can you let me know what can we do to avoid getting this error as it is > causing the GG to go Abend. > > Regards, > Faisal > >