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https://issues.apache.org/jira/browse/HDFS-5614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13888236#comment-13888236
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Chris Nauroth commented on HDFS-5614:
-------------------------------------
bq. Or we can pass in a Feature.class array here?
I actually had the same thought and tried that out before posting v3.
Unfortunately, it has the same problem, because
{{INodeWithAdditionalFields#getFeature}} is protected too. It seems we have to
widen visibility on some level to make this work. This isn't on a
client-facing boundary though, so at least it's all in code isolated to the
NameNode.
Anyway, thank you for the excellent code review and for catching a few bugs.
I'll commit v3.
> NameNode: implement handling of ACLs in combination with snapshots.
> -------------------------------------------------------------------
>
> Key: HDFS-5614
> URL: https://issues.apache.org/jira/browse/HDFS-5614
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: HDFS ACLs (HDFS-4685)
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Attachments: HDFS-5614.1.patch, HDFS-5614.2.patch, HDFS-5614.3.patch
>
>
> Within a snapshot, all ACLs are frozen at the moment that the snapshot was
> created. ACL changes in the parent of the snapshot are not applied to the
> snapshot.
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