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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6566) Hadoop daemons should not start up if the ownership/permissions on the directories used at runtime are misconfigured
Date Wed, 17 Mar 2010 23:22:28 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12846659#action_12846659
] 

Luke Lu commented on HADOOP-6566:
---------------------------------

The delta (*-d1.patch) patch is for yahoo 0.20.1xx branch, which already has the previous
(*-yhadoop20.patch) committed. The trunk patch needs to be combined with the patch for HDFS-977
(the datanode half of the change and tests.)

> Hadoop daemons should not start up if the ownership/permissions on the directories used
at runtime are misconfigured
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-6566
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6566
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: security
>    Affects Versions: 0.22.0
>            Reporter: Devaraj Das
>            Assignee: Arun C Murthy
>             Fix For: 0.22.0
>
>         Attachments: hadoop-6566-trunk-v1.patch, hadoop-6566-trunk-v2.patch, hadoop-6566-trunk-v3.patch,
hadoop-6566-trunk-v4.patch, hadoop-6566-y20s-d1.patch, HADOOP-6566_yhadoop20.patch, HADOOP-6566_yhadoop20.patch,
HADOOP-6566_yhadoop20.patch, HADOOP-6566_yhadoop20.patch
>
>
> The Hadoop daemons (like datanode, namenode) should refuse to start up if the ownership/permissions
on directories they use at runtime are misconfigured or they are not as expected. For example,
the local directory where the filesystem image is stored should be owned by the user running
the namenode process and should be only readable by that user. We can provide this feature
in common and HDFS and MapReduce can use the same.

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