No. This indicates the follower broker 1 is falling behind the leader and
hence the leader removes it from the ISR. We need to improve logging. This
does not indicate a problem with the broker.
On Thursday, March 13, 2014, 陈小军 <chenxiao...@nhn.com> wrote:
> Hi all
> i use 0.8.1 release to do test, and get following error logs
> [hadoop@nelo76 libs]$ [2014-03-14 12:11:44,310] INFO Partition
> [nelo2-normal-logs,0] on broker 0: Shrinking ISR for partition
> [nelo2-normal-logs,0] from 0,1 to 0 (kafka.cluster.Partition)
> [2014-03-14 12:11:44,313] ERROR Conditional update of path
> /brokers/topics/nelo2-normal-logs/partitions/0/state with data
> {"controller_epoch":4,"leader":0,"version":1,"leader_epoch":5,"isr":[0]}
> and expected version 7 failed due to
> org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode =
> BadVersion for /brokers/topics/nelo2-normal-logs/partitions/0/state
> (kafka.utils.ZkUtils$)
> [2014-03-14 12:11:44,313] INFO Partition [nelo2-normal-logs,0] on broker
> 0: Cached zkVersion [7] not equal to that in zookeeper, skip updating ISR
> (kafka.cluster.Partition)
> [2014-03-14 12:11:44,313] INFO Partition [nelo2-symbolicated-logs,1] on
> broker 0: Shrinking ISR for partition [nelo2-symbolicated-logs,1] from 0,2
> to 0 (kafka.cluster.Partition)
> [2014-03-14 12:11:44,315] ERROR Conditional update of path
> /brokers/topics/nelo2-symbolicated-logs/partitions/1/state with data
> {"controller_epoch":4,"leader":0,"version":1,"leader_epoch":6,"isr":[0]}
> and expected version 8 failed due to
> org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode =
> BadVersion for /brokers/topics/nelo2-symbolicated-logs/partitions/1/state
> (kafka.utils.ZkUtils$)
> [2014-03-14 12:11:44,315] INFO Partition [nelo2-symbolicated-logs,1] on
> broker 0: Cached zkVersion [8] not equal to that in zookeeper, skip
> updating ISR (kafka.cluster.Partition)
> [2014-03-14 12:11:44,316] INFO Partition [nelo2-crash-logs,1] on broker 0:
> Shrinking ISR for partition [nelo2-crash-logs,1] from 0,1 to 0
> (kafka.cluster.Partition)
> [2014-03-14 12:11:44,318] ERROR Conditional update of path
> /brokers/topics/nelo2-crash-logs/partitions/1/state with data
> {"controller_epoch":4,"leader":0,"version":1,"leader_epoch":5,"isr":[0]}
> and expected version 7 failed due to
> org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode =
> BadVersion for /brokers/topics/nelo2-crash-logs/partitions/1/state
> (kafka.utils.ZkUtils$)
> [2014-03-14 12:11:44,318] INFO Partition [nelo2-crash-logs,1] on broker 0:
> Cached zkVersion [7] not equal to that in zookeeper, skip updating ISR
> (kafka.cluster.Partition)
>
> this issue is related withe zookeeper version?
> my zookeeper version is 3.4.3
>
> Best Regards
> Jerry
>
