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https://issues.apache.org/jira/browse/HDFS-8830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoyu Yao updated HDFS-8830:
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Status: Patch Available (was: Open)
> Support add/remove directories to an existing encryption zone
> -------------------------------------------------------------
>
> Key: HDFS-8830
> URL: https://issues.apache.org/jira/browse/HDFS-8830
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Xiaoyu Yao
> Assignee: Xiaoyu Yao
> Attachments: HDFS-8747.01.patch
>
>
> This is the first step toward better "Scratch space" and "Soft Delete"
> support. We remove the assumption that the hdfs directory and encryption zone
> is 1 to 1 mapped and can't be changed once created.
> The encryption zone creation part is kept As-Is from Hadoop 2.4. We
> generalize the encryption zone and its directories from 1:1 to 1:many. This
> way, other directories such as scratch can be added to/removed from
> encryption zone as needed. Later on, files in these directories can be
> renamed within the same encryption zone efficiently.
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