Hi, guys:
        I have fixed the problem just restart kafka broker 0…

        According to http://qnalist.com/questions/4968010/isr-not-updating 
<http://qnalist.com/questions/4968010/isr-not-updating>
        
>>> Auto leader balancing has some know issues when using together with 
>>> controlled shutdown. So, we don't >>> recommend it to be turned on in 
>>> 0.8.1.1
>>> Thanks,
>>> Jun


        So i set 

        auto.leader.rebalance.enable=false ,
        controlled.shutdown.enable=true

        And then restart kafka, the replicas all in isr. I don’t know why, 
could someone explain this ?

        Thank you




> 在 2015年8月6日,18:47,sy.pan <shengyi....@gmail.com> 写道:
> 
> Hi guys:
>     
>     we have used kafka-0.8.1 under three machines (broker 0,broker 1,broker 
> 3). After running several months, some partions is out of sync; how to 
> recover from this situation ?
> 
> topic desc:
> 
> Topic:analyze PartitionCount:8        ReplicationFactor:3     Configs:
>       Topic: analyze  Partition: 0    Leader: 1       Replicas: 1,2,0 Isr: 1,2
>       Topic: analyze  Partition: 1    Leader: 2       Replicas: 2,0,1 Isr: 2,1
>       Topic: analyze  Partition: 2    Leader: 0       Replicas: 0,1,2 Isr: 
> 1,2,0
>       Topic: analyze  Partition: 3    Leader: 1       Replicas: 1,0,2 Isr: 1,2
>       Topic: analyze  Partition: 4    Leader: 2       Replicas: 2,1,0 Isr: 2,1
>       Topic: analyze  Partition: 5    Leader: 0       Replicas: 0,2,1 Isr: 
> 2,1,0
>       Topic: analyze  Partition: 6    Leader: 1       Replicas: 1,2,0 Isr: 1,2
>       Topic: analyze  Partition: 7    Leader: 2       Replicas: 2,0,1 Isr: 2,1
> 
> zk info:
> 
> [zk: localhost:2181(CONNECTED) 2] get 
> /brokers/topics/analyze/partitions/0/state
> {"controller_epoch":1,"leader":1,"version":1,"leader_epoch":1,"isr":[1,2]}
> 
> Here is the related log in borker 0
> 
> state-change.log
> 
> ./state-change.log.2015-08-01:[2015-08-01 06:01:51,449] WARN Broker 0 
> received invalid LeaderAndIsr request with correlation id 5 from controller 2 
> epoch 2 with an older leader epoch 0 for partition [analyze,0], current 
> leader epoch is 0 (state.change.logger)
> 
> 
> controller.log
> 
> ./controller.log:[2015-08-01 06:01:51,395] WARN [Channel manager on 
> controller 0]: Not sending request Name: StopReplicaRequest; Version: 0; 
> CorrelationId: 39; ClientId: ; DeletePartitions: false; ControllerId: 0; 
> ControllerEpoch: 1; Partitions: [analyze,0] to broker 0, since it is offline. 
> (kafka.controller.ControllerChannelManager)
> 
> 
> Thanks and regards
> 

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