Are you running with unclean leader election on? Are you setting min in sync replicas at all?
Can you attach controller and any other logs from the brokers you have? They would be crucial in debugging this kind of issue. Thanks Tom Crayford Heroku Kafka On Thursday, 11 August 2016, Mazhar Shaikh <mazhar.shaikh...@gmail.com> wrote: > Hi Kafka Team, > > I'm using kafka (kafka_2.11-0.9.0.1) with librdkafka (0.8.1) API for > producer > During a run of 2hrs, I notice the total number of messaged ack'd by > librdkafka delivery report is greater than the maxoffset of a partition in > kafka broker. > I'm running kafka broker with replication factor of 2. > > Here, message has been lost between librdkafka - kafka broker. > > As librdkafka is providing success delivery report for all the messages. > > Looks like kafka broker is dropping the messages after acknowledging > librdkafka. > > Requesting you help in solving this issue. > > Thank you. > > > Regards > Mazhar Shaikh >
