JiangHua Zhu created HDFS-16584:
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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 & 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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