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https://issues.apache.org/jira/browse/HDFS-5908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13912479#comment-13912479
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Haohui Mai commented on HDFS-5908:
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Looks good to me. +1 pending Jenkins.
I wonder, do you have any plans to make similar changes on the methods in
{{AclTransformation}}? I think it can be addressed in a separate jira though.
> Change AclFeature to capture list of ACL entries in an ImmutableList.
> ---------------------------------------------------------------------
>
> Key: HDFS-5908
> URL: https://issues.apache.org/jira/browse/HDFS-5908
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 3.0.0
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Priority: Minor
> Attachments: HDFS-5908.1.patch
>
>
> After an {{AclFeature}} has been attached to an inode, its ACL entries must
> be immutable. We can enforce this in the type system more strongly by
> storing the entries in an {{ImmutableList}} and changing the getter to return
> that type instead of raw {{List}}.
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