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Configuration Files are the files which are located in the extracted tar. gz file in the etc/hadoop/ directory. All Configuration Files in Hadoop are listed below, 1) HADOOP-ENV.sh->>It specifies the environment variables that affect the JDK used by Hadoop Daemon (bin/hadoop).
The hdfs-site. xml file contains the configuration settings for HDFS daemons; the NameNode, the Secondary NameNode, and the DataNodes. Here, we can configure hdfs-site. xml to specify default block replication and permission checking on HDFS.
I am trying to install a single node setup of Hadoop on Ubuntu. I started following the instructions on the Hadoop 2.3 docs.
But I seem to be missing something very simple.
First, it says to
To get a Hadoop distribution, download a recent stable release from one of the Apache Download Mirrors.
Then,
Unpack the downloaded Hadoop distribution. In the distribution, edit the file conf/hadoop-env.sh to define at least JAVA_HOME to be the root of your Java installation.
However, I can't seem to find the conf directory.
I downloaded a release of 2.3 at one of the mirrors. Then unpacked the tarball, an ls of the inside returns:
$ ls
bin etc include lib libexec LICENSE.txt NOTICE.txt README.txt sbin share
I was able to find the file they were referencing, just not in a conf directory:
$ find . -name hadoop-env.sh
./etc/hadoop/hadoop-env.sh
Am I missing something, or am I grabbing the wrong package? Or are the docs just outdated?
If so, anyone know where some more up-to date docs are?
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