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https://issues.apache.org/jira/browse/HDFS-11370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15847850#comment-15847850
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Manoj Govindassamy commented on HDFS-11370:
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bq. maybe we can add a java doc for {{getExpectedStorageLocationsIterator}} 
explaining that the method is not thread-safe by itself.
Sounds good to me. Thanks [~jingzhao].

> Optimize NamenodeFsck#getReplicaInfo
> ------------------------------------
>
>                 Key: HDFS-11370
>                 URL: https://issues.apache.org/jira/browse/HDFS-11370
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: Takanobu Asanuma
>            Assignee: Takanobu Asanuma
>            Priority: Minor
>         Attachments: HDFS-11370.1.patch, HDFS-11370.2.patch, 
> HDFS-11370.3.patch, HDFS-11370.4.patch, HDFS-11370.5.patch
>
>
> We can optimize the logic of calculating the number of storages in 
> {{NamenodeFsck#getReplicaInfo}}. This is a follow-on task of HDFS-11124.



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