I can see that offsets are stored in zookeeper and are not returned when i query through kafka offset checker.
Can you please tell me how to monitor kafka flink consumer lag for 0.8 flink kafka consumer. On Wed, Aug 3, 2016 at 3:29 PM, Stephan Ewen <se...@apache.org> wrote: > Hi! > > Just check in the code. The 0.8 FlinkKafkaConsumer should always commit > offsets, regardless of whether checkpointing is enables. The 0.9 > FlinkKafkaConsumer actually does not do any periodic offset committing when > checkpointing is disabled. > > Greetings, > Stephan > > On Wed, Aug 3, 2016 at 7:36 AM, Janardhan Reddy < > janardhan.re...@olacabs.com> wrote: > >> Checkpointing wasn't enabled in the streaming job, but the offsets should >> have been committed to zookeeper. >> >> But we don't see the offsets being written to zookeeper. >> >> On Tue, Aug 2, 2016 at 7:41 PM, Till Rohrmann <trohrm...@apache.org> >> wrote: >> >>> Hi Janardhan, >>> >>> Flink should commit the current offsets to Zookeeper whenever a >>> checkpoint has been completed. In case that you disabled checkpointing, >>> then the offsets will be periodically committed to ZooKeeper. The default >>> value is 60s. >>> >>> Could it be that there wasn't yet a completed checkpoint? Which version >>> of Flink are you using? >>> >>> Cheers, >>> Till >>> >>> On Tue, Aug 2, 2016 at 7:26 PM, Janardhan Reddy < >>> janardhan.re...@olacabs.com> wrote: >>> >>>> Hi, >>>> >>>> When the run the following command i am getting that no topic is >>>> available for that consumer group. i am suing >>>> flink-connector-kafka-0.8_${scala.version}(2.11). >>>> >>>> ./bin/kafka-consumer-groups.sh --zookeeper <> --group <> --describe >>>> >>>> No topic available for consumer group provided >>>> >>>> >>>> Does the kafka consumer commit offset to the broker always ? Do we need >>>> to enable checkpointing for the offsets to be committed ? >>>> >>>> >>>> Thanks >>>> >>> >>> >> >