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https://issues.apache.org/jira/browse/HDFS-14374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16820584#comment-16820584
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Fengnan Li commented on HDFS-14374:
-----------------------------------

[~elgoiri] I synced up with [~crh]. So basically this ticket will be exposing 
that value inside AbstractDelegationTokenSecretManager and 
https://issues.apache.org/jira/browse/HDFS-14426 will do the exposing for 
router, we will also create another ticket for exposing this metric for Namenode

> Expose total number of delegation tokens in 
> AbstractDelegationTokenSecretManager
> --------------------------------------------------------------------------------
>
>                 Key: HDFS-14374
>                 URL: https://issues.apache.org/jira/browse/HDFS-14374
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: CR Hota
>            Assignee: CR Hota
>            Priority: Major
>         Attachments: HDFS-14374.001.patch, HDFS-14374.002.patch
>
>
> AbstractDelegationTokenSecretManager should expose total number of active 
> delegation tokens for specific implementations to track for observability.



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