Max Xie created HDFS-16946:
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Summary: RBF: top real owners metrics can't been parsed json string
Key: HDFS-16946
URL: https://issues.apache.org/jira/browse/HDFS-16946
Project: Hadoop HDFS
Issue Type: Bug
Components: rbf
Affects Versions: 3.4.0
Reporter: Max Xie
Attachments: image-2023-03-09-22-24-39-833.png
After HDFS-15447, Add top real owners metrics for delegation tokens. But the
metrics can't been parsed json string.
RBFMetrics$getTopTokenRealOwners method just return
`org.apache.hadoop.metrics2.util.Metrics2Util$NameValuePair@1`
!image-2023-03-09-22-24-39-833.png!
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