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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11400) Automatic HDFS Home Directory Creation
Date Fri, 10 Feb 2017 01:46:41 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15860536#comment-15860536
] 

Allen Wittenauer commented on HDFS-11400:
-----------------------------------------

How would you propose preventing memory explosion by referencing home directories for fake
users?

> Automatic HDFS Home Directory Creation
> --------------------------------------
>
>                 Key: HDFS-11400
>                 URL: https://issues.apache.org/jira/browse/HDFS-11400
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: hdfs, namenode
>    Affects Versions: 2.7.1
>         Environment: HDP 2.4.2
>            Reporter: Hari Sekhon
>
> Feature Request to add automatic home directory creation for HDFS users when they are
first resolved by the NameNode if their home directory does not already exist, using configurable
umask defaulting to 027.



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