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https://issues.apache.org/jira/browse/HDFS-4177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13496732#comment-13496732
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Aaron T. Myers commented on HDFS-4177:
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Hey Nicholas, did you consider using Guava's ImmutableList class instead of
introducing our own ReadOnlyList? It seems to me they provide identical
functionality, and we already use ImmutableList from Guava elsewhere in the
Hadoop code.
> Add a snapshot parameter to INodeDirectory.getChildrenList()
> ------------------------------------------------------------
>
> Key: HDFS-4177
> URL: https://issues.apache.org/jira/browse/HDFS-4177
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: name-node
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Fix For: Snapshot (HDFS-2802)
>
> Attachments: h4177_20121112b.patch, h4177_20121112.patch
>
>
> With the snapshot features, the children list of directories can be different
> in snapshots and the current view. The snapshot information is required to
> select the children list.
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