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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7599) Improve hadoop setup conf script to setup secure Hadoop cluster
Date Wed, 07 Sep 2011 18:39:10 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13099188#comment-13099188
] 

Eric Yang commented on HADOOP-7599:
-----------------------------------

 # I will polish this.
 # I will polish this.
 # I will polish this.
 # --datanodes and --tasktrackers are already optional
 # this is a bug fix.  namenode-host is more widely used than namenode-url.  It is better
to make the name changes.  This script was only working internally in RPM post installation
script.  Therefore, it does not break backward compatibility in this name changes.
 # I don't understand this.
 # I will polish this.
 # I will polish this.
 # By default, hadoop tar ball ships with empty configuration files.  Consequencely, if --force
flag is implemented, --force  flag becomes mandatory in order to run the script.  This is
counter productive to have this flag because user will always use --force flag in order to
run the setup script.  User will take this for granted and --force loses it's ability to safe
guard user from making mistakes.
 # I will polish this.
 # HADOOP_SECURE_DN_LOG_DIR is used in hadoop-daemon.sh
 # I will polish this.

> Improve hadoop setup conf script to setup secure Hadoop cluster
> ---------------------------------------------------------------
>
>                 Key: HADOOP-7599
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7599
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 0.20.203.0
>         Environment: Java 6, RHEL 5.6
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>             Fix For: 0.20.205.0
>
>         Attachments: HADOOP-7599.patch
>
>
> Setting up a secure Hadoop cluster requires a lot of manual setup.  The motivation of
this jira is to provide setup scripts to automate setup secure Hadoop cluster.

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