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Posted to common-issues@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2012/11/15 21:09:12 UTC

[jira] [Updated] (HADOOP-9049) DelegationTokenRenewer needs to be Singleton and FileSystems should register/deregister to/from.

     [ https://issues.apache.org/jira/browse/HADOOP-9049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karthik Kambatla updated HADOOP-9049:
-------------------------------------

    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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