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https://issues.apache.org/jira/browse/HDFS-5899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13894827#comment-13894827
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Colin Patrick McCabe commented on HDFS-5899:
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I assume that this configuration refers to whether we honor ACLs when doing
permission checks, similar to {{dfs.permissions.enabled}}. If ACLs are
disabled, they're still stored in the edit log and fsimage, right? Existing
ones don't get wiped.
I recommend not calling this a "feature flag" since that seems to invite
confusion with HDFS-5223. Maybe "configuration boolean"?
> Add feature flag in configuration to disable/enable support for ACLs.
> ---------------------------------------------------------------------
>
> Key: HDFS-5899
> URL: https://issues.apache.org/jira/browse/HDFS-5899
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: HDFS ACLs (HDFS-4685)
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
>
> Add a new configuration property that allows administrators to toggle support
> for HDFS ACLs on/off. By default, the flag will be off. This is a
> conservative choice, and administrators interested in using ACLs can enable
> it explicitly.
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