A few lines of the logs: [2017-06-13 15:25:37,343] INFO [GroupCoordinator 0]: Stabilized group summarizer generation 701 (kafka.coordinator.GroupCoordinator) [2017-06-13 15:25:37,345] INFO [GroupCoordinator 0]: Assignment received from leader for group summarizer for generation 701 (kafka.coordinator.GroupCoordinator) [2017-06-13 15:25:37,345] ERROR [Replica Manager on Broker 0]: Error processing append operation on partition __consumer_offsets-17 (kafka.server.ReplicaManager) org.apache.kafka.common.errors.NotEnoughReplicasException: Number of insync replicas for partition __consumer_offsets-17 is [1], below required minimum [2] [2017-06-13 15:25:37,345] INFO [GroupCoordinator 0]: Preparing to restabilize group summarizer with old generation 701 (kafka.coordinator.GroupCoordinator)
This keeps happening, for all consumer offsets and all groups, etc On Tue, Jun 13, 2017 at 4:21 PM, Paul van der Linden <[email protected]> wrote: > Hi, > > I'm trying to find out how to at least get my kafka working again. > Something went wrong and kafka has halted to a throughput of 0 messages. It > keeps looping on stablizing consumer groups, and erroring on an append > operation to the offset paritions, plus Not enough replicas. > > The weird things is, that after not being able to work this out I want > pretty brutal (luckily I can afford to loose more messages): > - delete all kafka and zookeeper instances > - updated kafka > - cleared all disk > > Still kafka is in this unrecoverable error. Does anyone have any idea how > to fix this? >
