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https://issues.apache.org/jira/browse/HDFS-4434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13627062#comment-13627062
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Suresh Srinivas commented on HDFS-4434:
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bq. such a symlink is not supported in any Posix system today
But posix does not support addressing inodes in the path like we are doing
either. To me, leaving target unintepreted and intepreting it only when the
link is accessed seems to comply more with posix.
> Provide a mapping from INodeId to INode
> ---------------------------------------
>
> Key: HDFS-4434
> URL: https://issues.apache.org/jira/browse/HDFS-4434
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: 3.0.0
> Reporter: Brandon Li
> Assignee: Suresh Srinivas
> Attachments: HDFS-4434.patch, HDFS-4434.patch, HDFS-4434.patch,
> HDFS-4434.patch, HDFS-4434.patch, HDFS-4434.patch, HDFS-4434.patch,
> HDFS-4434.patch, HDFS-4434.patch, HDFS-4434.patch, HDFS-4434.patch,
> HDFS-4434.patch, HDFS-4434.patch, HDFS-4434.patch, HDFS-4434.patch,
> HDFS-4434.patch, HDFS-4434.patch
>
>
> This JIRA is to provide a way to access the INode via its id. The proposed
> solution is to have an in-memory mapping from INodeId to INode.
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