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From "Siddharth Seth (Reopened) (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (HDFS-2257) HftpFileSystem should implement getDelegationTokens
Date Tue, 22 Nov 2011 21:26:40 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Siddharth Seth reopened HDFS-2257:

{{getDelegationToken}} was deprecated in favor of {{getDelegationTokens}} - likely along with
the introduction of ViewFileSystem.

Hftp does not have an implementation of getDelegationTokens. ViewFs cannot implement getDelegationToken.

The TokenCache in MapReduce currently ends up making one call to getDelegationToken and another
to getDelegationTokens - likely causing unnecessary token caching on the Namenode?
> HftpFileSystem should implement getDelegationTokens
> ---------------------------------------------------
>                 Key: HDFS-2257
>                 URL: https://issues.apache.org/jira/browse/HDFS-2257
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Siddharth Seth
>            Assignee: Daryn Sharp
>         Attachments: HDFS-2257.patch

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