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https://issues.apache.org/jira/browse/HDFS-14405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16822032#comment-16822032
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Íñigo Goiri commented on HDFS-14405:
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I think we should start with a unit test showing the issue.
Probably two Routers and multiple threads getting and renewing tokens with 2
separately.
> RBF: Client should be able to renew DT immediately after it fetched the DT
> --------------------------------------------------------------------------
>
> Key: HDFS-14405
> URL: https://issues.apache.org/jira/browse/HDFS-14405
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Fengnan Li
> Assignee: Fengnan Li
> Priority: Minor
>
> By the current design, once a dt is generated it needs to sync to other
> routers as well as backing up in the state store, therefore there is a time
> gap between other routers are able to know the existence of this token.
> Ideally, the same client should be able to renew the token it just created
> through fetchdt even though two calls are hitting two distinct routers.
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