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https://issues.apache.org/jira/browse/KAFKA-9016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dong Lin reassigned KAFKA-9016:
-------------------------------

    Assignee: kumar uttpal

> Warn when log dir stopped serving replicas
> ------------------------------------------
>
>                 Key: KAFKA-9016
>                 URL: https://issues.apache.org/jira/browse/KAFKA-9016
>             Project: Kafka
>          Issue Type: Improvement
>          Components: log, log cleaner
>            Reporter: Viktor Somogyi-Vass
>            Assignee: kumar uttpal
>            Priority: Major
>              Labels: easy, newbie
>
> Kafka should warn if the log directory stops serving replicas as usually it 
> is due to an error and it's much visible if it's on warn level.
> {noformat}
> 2019-09-19 12:39:54,194 ERROR kafka.server.LogDirFailureChannel: Error while 
> writing to checkpoint file /kafka/data/diskX/replication-offset-checkpoint
> java.io.SyncFailedException: sync failed
> ..
> 2019-09-19 12:39:54,197 INFO kafka.server.ReplicaManager: [ReplicaManager 
> broker=638] Stopping serving replicas in dir /kafka/data/diskX
> ..
> 2019-09-19 12:39:54,205 INFO kafka.server.ReplicaFetcherManager: 
> [ReplicaFetcherManager on broker 638] Removed fetcher for partitions 
> Set(test1-0, test2-2, test-0, test2-2, test4-14, test4-0, test2-6)
> 2019-09-19 12:39:54,206 INFO kafka.server.ReplicaAlterLogDirsManager: 
> [ReplicaAlterLogDirsManager on broker 638] Removed fetcher for partitions 
> Set(test1-0, test2-2, test-0, test3-2, test4-14, test4-0, test2-6)
> 2019-09-19 12:39:54,222 INFO kafka.server.ReplicaManager: [ReplicaManager 
> broker=638] Broker 638 stopped fetcher for partitions 
> test1-0,test2-2,test-0,test3-2,test4-14,test4-0,test2-6 and stopped moving 
> logs for partitions  because they are in the failed log directory 
> /kafka/data/diskX.
> {noformat}



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