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