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https://issues.apache.org/jira/browse/HDFS-14374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16794154#comment-16794154
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He Xiaoqiao commented on HDFS-14374:
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[~crh] Thanks for working on this. just one suggestion, we could expose the
number as one metric, if that it will be more convenient to monitor. FYI.
> 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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