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https://issues.apache.org/jira/browse/HDFS-16584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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JiangHua Zhu reassigned HDFS-16584:
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Assignee: JiangHua Zhu
> Record StandbyNameNode information when Balancer is running
> -----------------------------------------------------------
>
> Key: HDFS-16584
> URL: https://issues.apache.org/jira/browse/HDFS-16584
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer & mover, namenode
> Affects Versions: 3.3.0
> Reporter: JiangHua Zhu
> Assignee: JiangHua Zhu
> Priority: Major
> Attachments: image-2022-05-19-20-23-23-825.png
>
>
> When the Balancer is running, we allow block data to be fetched from the
> StandbyNameNode, which is nice. Here are some logs:
> !image-2022-05-19-20-23-23-825.png!
> But we have no way of knowing which NameNode the request was made to. We
> should log more detailed information, such as the host associated with the
> StandbyNameNode.
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