[HDFS-16946] RBF: top real owners metrics can't been parsed json string

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: rbf
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Nishtha Shah
• Reporter: Max Xie
• Created: 09/Mar/23 14:24
• Updated: 28/Jan/24 07:13
• Resolved: 13/Jun/23 04:32

Description

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`

Issue Links

• links to: GitHub Pull Request #5696