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https://issues.apache.org/jira/browse/KAFKA-7313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dong Lin updated KAFKA-7313:
----------------------------
    Fix Version/s:     (was: 2.1.1)
                   2.1.0
                   2.0.1

> StopReplicaRequest should attempt to remove future replica for the partition 
> only if future replica exists
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-7313
>                 URL: https://issues.apache.org/jira/browse/KAFKA-7313
>             Project: Kafka
>          Issue Type: Improvement
>            Reporter: Dong Lin
>            Assignee: Dong Lin
>            Priority: Major
>             Fix For: 2.0.1, 2.1.0
>
>
> This patch fixes two issues:
> 1) Currently if a broker received StopReplicaRequest with delete=true for the 
> same offline replica, the first StopRelicaRequest will show 
> KafkaStorageException and the second StopRelicaRequest will show 
> ReplicaNotAvailableException. This is because the first StopRelicaRequest 
> will remove the mapping (tp -> ReplicaManager.OfflinePartition) from 
> ReplicaManager.allPartitions before returning KafkaStorageException, thus the 
> second StopRelicaRequest will not find this partition as offline.
> This result appears to be inconsistent. And since the replica is already 
> offline and broker will not be able to delete file for this replica, the 
> StopReplicaRequest should fail without making any change and broker should 
> still remember that this replica is offline. 
> 2) Currently if broker receives StopReplicaRequest with delete=true, the 
> broker will attempt to remove future replica for the partition, which will 
> cause KafkaStorageException in the StopReplicaResponse if this replica does 
> not have future replica. It is problematic to always return 
> KafkaStorageException in the response if future replica does not exist.
>  
>  



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