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Posted to hdfs-dev@hadoop.apache.org by "JiangHua Zhu (Jira)" <ji...@apache.org> on 2022/05/19 12:57:00 UTC

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

JiangHua Zhu created HDFS-16584:
-----------------------------------

             Summary: 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
         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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