Forgot to add that there is no transition to RUNNING state. On Mon, May 20, 2019 at 1:10 AM Nayanjyoti Deka <nayanjy...@ixigo.com> wrote:
> Hey guys, > > We are running a stream application in our production environment. On our > latest restart, the application is consistently moving between these two > states. > > From our logs: > > grep "State transition from " application.log | jq -r '.message' | sort | > uniq -c | sort -n -r > > 40 stream-thread [yyyy-StreamThread-9] State transition from > PARTITIONS_REVOKED to PARTITIONS_ASSIGNED > > 40 stream-thread [yyyy-StreamThread-8] State transition from > PARTITIONS_REVOKED to PARTITIONS_ASSIGNED > > 40 stream-thread [yyyy-StreamThread-7] State transition from > PARTITIONS_REVOKED to PARTITIONS_ASSIGNED > > 40 stream-thread [yyyy-StreamThread-6] State transition from > PARTITIONS_REVOKED to PARTITIONS_ASSIGNED > > 40 stream-thread [yyyy-StreamThread-5] State transition from > PARTITIONS_REVOKED to PARTITIONS_ASSIGNED > > 40 stream-thread [yyyy-StreamThread-4] State transition from > PARTITIONS_REVOKED to PARTITIONS_ASSIGNED > > 40 stream-thread [yyyy-StreamThread-3] State transition from > PARTITIONS_REVOKED to PARTITIONS_ASSIGNED > > 40 stream-thread [yyyy-StreamThread-2] State transition from > PARTITIONS_REVOKED to PARTITIONS_ASSIGNED > > 40 stream-thread [yyyy-StreamThread-1] State transition from > PARTITIONS_REVOKED to PARTITIONS_ASSIGNED > > 40 stream-thread [yyyy-StreamThread-12] State transition from > PARTITIONS_REVOKED to PARTITIONS_ASSIGNED > > 40 stream-thread [yyyy-StreamThread-11] State transition from > PARTITIONS_REVOKED to PARTITIONS_ASSIGNED > > 40 stream-thread [yyyy-StreamThread-10] State transition from > PARTITIONS_REVOKED to PARTITIONS_ASSIGNED > > 39 stream-thread [yyyy-StreamThread-9] State transition from > PARTITIONS_ASSIGNED to PARTITIONS_REVOKED > > 39 stream-thread [yyyy-StreamThread-8] State transition from > PARTITIONS_ASSIGNED to PARTITIONS_REVOKED > > 39 stream-thread [yyyy-StreamThread-7] State transition from > PARTITIONS_ASSIGNED to PARTITIONS_REVOKED > > 39 stream-thread [yyyy-StreamThread-6] State transition from > PARTITIONS_ASSIGNED to PARTITIONS_REVOKED > > 39 stream-thread [yyyy-StreamThread-5] State transition from > PARTITIONS_ASSIGNED to PARTITIONS_REVOKED > > 39 stream-thread [yyyy-StreamThread-4] State transition from > PARTITIONS_ASSIGNED to PARTITIONS_REVOKED > > 39 stream-thread [yyyy-StreamThread-3] State transition from > PARTITIONS_ASSIGNED to PARTITIONS_REVOKED > > 39 stream-thread [yyyy-StreamThread-2] State transition from > PARTITIONS_ASSIGNED to PARTITIONS_REVOKED > > 39 stream-thread [yyyy-StreamThread-1] State transition from > PARTITIONS_ASSIGNED to PARTITIONS_REVOKED > > 39 stream-thread [yyyy-StreamThread-12] State transition from > PARTITIONS_ASSIGNED to PARTITIONS_REVOKED > > 39 stream-thread [yyyy-StreamThread-11] State transition from > PARTITIONS_ASSIGNED to PARTITIONS_REVOKED > > 39 stream-thread [yyyy-StreamThread-10] State transition from > PARTITIONS_ASSIGNED to PARTITIONS_REVOKED > > > > As we can see the stream threads are first revoked than again assigned. > > Also we can see the logs of resetting of offsets continuously as follows: > > Resetting offset for partition xxxx-2 to offset 9166288. > > > We had actually deleted the consumer group on broker before the restart as > there was considerable lag in the topic and processing of the stale data > was not intended. We had assumed that on deleting the group, the > application will start processing from latest offset as mentioned in the > config auto.offset.reset policy. > > On describing the consumer group on broker side, we receive output with > the current offset and lag set as -- (Eg shown below) > > > TOPIC PARTITION CURRENT-OFFSET LOG-END-OFFSET LAG > CONSUMER-ID > > xxx 10 - 129822997 - > yyyy-StreamThread-2-consumer-a-b-c-d > > > > Please help us understand why this can be happening and how to solve this. > > >