How to setup Hadoop on Mac without virtual machine

How to setup Hadoop in Mac OS

Follow below steps to install Hadoop on your Mac.

Step 1- Download Hadoop 1.0.3 from the Apache site.

Step 2- Set up java in your system.

Step 3- Open terminal and go to the path where you have downloaded hadoop.

Step 4- Type the below command which will extract the file. The file which you just extracted will be your hadoop home location.

Step 5- Once you extracted the file with the above command, type: cd vi .bashrc

Step 6-  vi .bashrc will open a text editor in terminal itself. Here you need to set-up Java and HDFS path. In order to setup the path in text editor you need to press i on terminal window. It will enable you to edit in the text editor.

Step 7- Provide both JAVA and HDFS path as shown below.

Step 8- Now save the file. So, go to the terminal and

1. press Esc

2. press :

3. type wq and press enter.

wq stands for write and quit. It will save the file.

Step 9- Go to the hadoop home location where you extracted file in terminal and go to conf directory and edit hadoop-env.sh.

cd /users/NITISH/Downloads/hadoop-1.0.3/conf

vi hadoop-env.sh

Step 10- Here again text editor will be displayed. You need to provide Java path as shown below.

Save the file using wq as shown in step 8.

Step 11- Now we will configure the three HDFS configuration file.

• core-site.xml

• mapred-site.xml

• hdfs-site.xml

Step 12- There is one-time command which you need run from the hadoop home as shown below. It will format the name node.

Step 13- You can now start the hadoop by typing below command. Enter your system password to proceed further.

Step 14- Enter below command to check hadoop set-up. If the below 6 node are running then the hadoop set up is successful :)