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https://issues.apache.org/jira/browse/HDFS-4278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13713395#comment-13713395
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Kousuke Saruta commented on HDFS-4278:
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Thank you for your advice, Harsh!
I keep in mind.
> Log an ERROR when DFS_BLOCK_ACCESS_TOKEN_ENABLE config is disabled but
> security is turned on.
> ----------------------------------------------------------------------------------------------
>
> Key: HDFS-4278
> URL: https://issues.apache.org/jira/browse/HDFS-4278
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode, namenode
> Affects Versions: 2.0.0-alpha
> Reporter: Harsh J
> Assignee: Kousuke Saruta
> Labels: newbie
> Fix For: 3.0.0, 2.3.0
>
> Attachments: HDFS-4278.patch, HDFS-4278.patch, HDFS-4278.patch,
> HDFS-4278.patch
>
>
> When enabling security, one has to manually enable the config
> DFS_BLOCK_ACCESS_TOKEN_ENABLE (dfs.block.access.token.enable). Since these
> two are coupled, we could make it turn itself on automatically if we find
> security to be enabled.
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