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From "Pastrana, Rodrigo (RIS-BCT)" <Rodrigo.Pastr...@lexisnexis.com>
Subject Apache Hadoop 2.2 install and setup help
Date Thu, 31 Oct 2013 18:18:46 GMT
Having a hard time setting-up a single node hadoop 2.2 on Ubuntu 12.04. I'm following this
doc: http://hadoop.apache.org/docs/current2/hadoop-project-dist/hadoop-common/SingleCluster.html
( eventhough it is versioned 2.1.1-beta ).

I've setup a dedicated hduser, localhost no pass ssh is setup, JAVA_HOME properly set, Pv6
disabled, and hadoop-2.2.0.tar.gz<http://apache.mirrors.tds.net/hadoop/common/hadoop-2.2.0/hadoop-2.2.0.tar.gz>
extracted to /home/hduser/yarn/Hadoop-2.2.0.

The doc starts out with the assumption that hadoop-common/hadoop-hdfs are installed. (I'm
assuming that means simply extracting the Hadoop-2.2.tar file since I couldn't find a stand-alone
Hadoop-common or Hadoop-hdfs package).

It assumes the following (seems like common sense, but I'll display what I did in case I screwed
that up)

$HADOOP_COMMON_HOME  - /home/hduser/yarn/Hadoop-2.2.0

$HADOOP_HDFS_HOME - /home/hduser/yarn/Hadoop-2.2.0

$HADOO_MAPRED_HOME - /home/hduser/yarn/Hadoop-2.2.0

$HADOOP_YARN_HOME - /home/hduser/yarn/Hadoop-2.2.0

$HADOOP_CONF_DIR - /home/hduser/yarn/Hadoop-2.2.0/etc/hadoop

untar hadoop mapreduce tarball  -  hmmm I assume this is the Hadoop-2.2.0 tar file

HDFS should be running. - I'm sure this is trivial to do, but can anybody point out how to
do this? In previous versions the Hfile system had be formatted, but the command has apparently
been deprecated.

"bin/Hadoop namenode -format" - DEPRECATED: Use of this script to execute hdfs command is
deprecated. Instead use the hdfs command for it.

sbin/yarn-daemon.sh start resourcemanager - no visible errors

sbin/yarn-daemon.sh start nodemanager - no visible errors

I'm assuming that the previous two commands don't start every component. I tried the following:
sbin/Hadoop-daemon.sh start namenode

But I see the following error:

Java.io.IOException: NameNode is not formatted.

Thanks in advance to anybody that can help me get the single node up and running. Thanks.

Thanks, Rodrigo.

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