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https://issues.apache.org/jira/browse/HADOOP-9049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthik Kambatla updated HADOOP-9049:
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Attachment: hadoop-9049.patch
Attaching the latest patch from HDFS-4009.patch
> DelegationTokenRenewer needs to be Singleton and FileSystems should
> register/deregister to/from.
> ------------------------------------------------------------------------------------------------
>
> Key: HADOOP-9049
> URL: https://issues.apache.org/jira/browse/HADOOP-9049
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 2.0.2-alpha
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Attachments: hadoop-9049.patch
>
>
> Currently, DelegationTokenRenewer is not singleton.
> Each filesystem using it spawns its own DelegationTokenRenewer. Also, they
> don't stop the Renewer leading to other problems.
> A single DelegationTokenRenewer should be sufficient for all FileSystems.
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