Install Single Node Hadoop(2.7.2) on Mac

http://blog.hampisoftware.com/index.php/2016/02/22/install-single-node-hadoop-on-mac/

Install Single Node Hadoop on Mac

Operating System: Mac OSX Yosemite
Hadoop Version 2.7.2

Pre-requisites
We need to enable SSH to localhost without a passphrase.

Go to System Preferences, then check “Remote Login” to ON.

Now in a terminal window, ensure that the following succeeds with no passphrase.
$>ssh localhost

Download Hadoop Distribution
Download the latest hadoop distribution from http://mirrors.ibiblio.org/apache/hadoop/common/hadoop-2.7.2/

Hadoop Configuration Files

Go to the directory where your hadoop distribution is installed.

Then change the following files
hadoop_distro/etc/hadoop/hdfs-site.xml

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< configuration >      < property >          < name >dfs.replication</ name >          < value >1</ value >      </ property > </ configuration >

hadoop_distro/etc/hadoop/core-site.xml

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< configuration >      < property >          < name >fs.defaultFS</ name >          < value >hdfs://localhost:9000</ value >      </ property > </ configuration >

hadoop_distro/etc/hadoop/yarn-site.xml

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< configuration >      < property >          < name >yarn.nodemanager.aux-services</ name >          < value >mapreduce_shuffle</ value >      </ property > </ configuration >

hadoop_distro/etc/hadoop/mapred-site.xml

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< configuration >      < property >          < name >mapreduce.framework.name</ name >          < value >yarn</ value >      </ property > </ configuration >

Format HDFS 
$bin/hdfs namenode -format

Start HDFS
$sbin/start-dfs.sh

Start YARN
$sbin/start-yarn.sh

更多相关资料：

https://github.com/100steps/Blogs/issues/10