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https://issues.apache.org/jira/browse/KAFKA-3042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17241383#comment-17241383
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zhangzhisheng commented on KAFKA-3042:
--------------------------------------
using kafka_2.12-2.4.1，zookeeper-3.5.7
3 ZKs 3 Broker cluster, topic replication factor is 2
linux (redhat) xfs kafka logs on single local disk
error info
{code:java}
// code placeholder
[2020-12-01 15:38:22,237] INFO [Partition topic-cs-201907181035-0 broker=2]
Cached zkVersion 59 not equal to that in zookeeper, skip updating ISR
(kafka.cluster.Partition)
[2020-12-01 15:38:22,237] INFO [Partition
topic-repay-plan-detail-201809112057-5 broker=2] Shrinking ISR from 2,0 to 2.
Leader: (highWatermark: 173252090, endOffset: 173426233). Out of sync replicas:
(brokerId: 0, endOffset: 173252090). (kafka.cluster.Partition)
[2020-12-01 15:38:22,238] INFO [Partition
topic-repay-plan-detail-201809112057-5 broker=2] Cached zkVersion 81 not equal
to that in zookeeper,skip updating ISR (kafka.cluster.Partition)
[2020-12-01 15:38:22,239] INFO [Partition topic-pay-flow-201810181631-1
broker=2] Shrinking ISR from 2,0 to 2. Leader: (highWatermark: 334799502,
endOffset: 335281045). Out of sync replicas: (brokerId: 0, endOffset:
334799502). (kafka.cluster.Partition)
[2020-12-01 15:38:22,240] INFO [Partition topic-pay-flow-201810181631-1
broker=2] Cached zkVersion 85 not equal to that in zookeeper, skip updating ISR
(kafka.cluster.Partition)
[2020-12-01 15:38:22,240] INFO [Partition
topic-repay-plan-detail-201809112057-1 broker=2] Shrinking ISR from 2,0 to 2.
Leader: (highWatermark: 302761557, endOffset: 302935719). Out of sync replicas:
(brokerId: 0, endOffset: 302761557). (kafka.cluster.Partition)
[2020-12-01 15:38:22,242] INFO [Partition
topic-repay-plan-detail-201809112057-1 broker=2] Cached zkVersion 90 not equal
to that in zookeeper,skip updating ISR (kafka.cluster.Partition)
{code}
> updateIsr should stop after failed several times due to zkVersion issue
> -----------------------------------------------------------------------
>
> Key: KAFKA-3042
> URL: https://issues.apache.org/jira/browse/KAFKA-3042
> Project: Kafka
> Issue Type: Bug
> Components: controller
> Affects Versions: 0.10.0.0, 2.4.1
> Environment: jdk 1.7
> centos 6.4
> Reporter: Jiahongchao
> Assignee: Dong Lin
> Priority: Critical
> Labels: reliability
> Attachments: controller.log, server.log.2016-03-23-01,
> state-change.log
>
>
> sometimes one broker may repeatly log
> "Cached zkVersion 54 not equal to that in zookeeper, skip updating ISR"
> I think this is because the broker consider itself as the leader in fact it's
> a follower.
> So after several failed tries, it need to find out who is the leader
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