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https://issues.apache.org/jira/browse/HDFS-15886?focusedWorklogId=564354&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-564354
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ASF GitHub Bot logged work on HDFS-15886:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 11/Mar/21 07:00
Start Date: 11/Mar/21 07:00
Worklog Time Spent: 10m
Work Description: Neilxzn closed pull request #2756:
URL: https://github.com/apache/hadoop/pull/2756
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Issue Time Tracking
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Worklog Id: (was: 564354)
Time Spent: 20m (was: 10m)
> Add a way to get protected dirs from a special configuration file
> -----------------------------------------------------------------
>
> Key: HDFS-15886
> URL: https://issues.apache.org/jira/browse/HDFS-15886
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: namenode
> Affects Versions: 3.4.0
> Reporter: Max Xie
> Assignee: Max Xie
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> We used protected dirs to ensure that important data directories cannot be
> deleted by mistake. But protected dirs can only be configured in
> hdfs-site.xml.
> For ease of management, we add a way to get the list of protected dirs from
> a special configuration file.
> How to use.
> 1. set the config in hdfs-site.xml
> ```
> <property>
> <name>dfs.protected.directories.config.file.enable</name>
> <value>true</value>
> </property>
> <property>
> <name>fs.protected.directories</name>
> <value>[file:///path/to/protected.dirs.config]</value>
> </property>
> ```
> 2. add some protected dirs to the config file
> ([file:///path/to/protected.dirs.config])
> ```
> /1
> /2/3
> ```
> 3. done
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