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Posted to hdfs-issues@hadoop.apache.org by "JiangHua Zhu (Jira)" <ji...@apache.org> on 2022/05/19 13:08:00 UTC

[jira] [Work started] (HDFS-16584) Record StandbyNameNode information when Balancer is running

     [ https://issues.apache.org/jira/browse/HDFS-16584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HDFS-16584 started by 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 &amp; mover, namenode
>    Affects Versions: 3.3.0
>            Reporter: JiangHua Zhu
>            Assignee: JiangHua Zhu
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: image-2022-05-19-20-23-23-825.png
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> 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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