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Pull HDFS trunk from github and compile.

No Format

~ $ git clone git://github.com/ivankelly/hadoop-common.git

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~ $ cd hadoop-common

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~/hadoop-common $ mvn package -Pdist -DskipTests

Once compiled, you must configure the namenode.

No Format
 
~/hadoop-common $ export HADOOP_COMMON_HOME=$(pwd)/$(ls -d hadoop-common-project/hadoop-common/target/hadoop-common-*-SNAPSHOT)
~/hadoop-common $ export HADOOP_HDFS_HOME=$(pwd)/$(ls -d hadoop-hdfs-project/hadoop-hdfs/target/hadoop-hdfs-*-SNAPSHOT)
~/hadoop-common $ export PATH=$HADOOP_COMMON_HOME/bin:$HADOOP_HDFS_HOME/bin:$PATH

Edit $HADOOP_COMMON_HOME/etc/hadoop/hdfs-site.xml and add the following configuration.

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