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https://issues.apache.org/jira/browse/HDFS-4056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13477213#comment-13477213
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Daryn Sharp commented on HDFS-4056:
-----------------------------------
After this change SIMPLE + SIMPLE will work just as it always has. The only
difference is that tokens may be requested and used with SIMPLE auth.
Based on discussions in HADOOP-8758 and HADOOP-8779, the agreement was to
always enable tokens. Doing so will actually help eliminate the instability in
the token system because the tests will detect if a change has broken tokens.
Complexity will be reduced by removing code paths and we'll increase the code
coverage.
> 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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