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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4056) Always start the NN's SecretManager
Date Tue, 30 Oct 2012 14:16:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13486894#comment-13486894

Daryn Sharp commented on HDFS-4056:

A few clarifications: Starting the daemon thread does not automatically alter the behavior
of clients or tasks.  They will not request or use tokens so the secret manager will sit dormant.
 "Newer" clients can however request and use tokens, while "older" clients work the same as

Even with or w/o SASL PLAIN auth, HADOOP-8733 and HADOOP-8784 should not be reverted.  They
both implement correct behavior in a more general fashion.
> Always start the NN's SecretManager
> -----------------------------------
>                 Key: HDFS-4056
>                 URL: https://issues.apache.org/jira/browse/HDFS-4056
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>    Affects Versions: 0.23.0, 2.0.0-alpha, 3.0.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>         Attachments: HDFS-4056.patch
> To support the ability to use tokens regardless of whether kerberos is enabled, the NN's
secret manager should always be started.

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