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MapReduce, mail # dev - About documentation in apache hadoop site

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About documentation in apache hadoop site
Yoonmin Nam 2013-10-24, 16:31
Hi, I am Yoonmin from DGIST, South Korea.


I found some typo in



In the Hadoop Startup content,


Run a script to start DataNodes on all slaves:

$ $HADOOP_PREFIX/sbin/hadoop-daemon.sh --config $HADOOP_CONF_DIR --script
hdfs start datanode


Should be modified as

$ $HADOOP_PREFIX/sbin/hadoop-daemons.sh --config $HADOOP_CONF_DIR --script
hdfs start datanode

(hadoop-daemon.sh is for master, hadoop-daemons. Is for slave when every
slave address is defined at slave file)


Also, Run a script to start NodeManagers on all slaves has same typo.

So, it should be modified as

$ $HADOOP_YARN_HOME/sbin/yarn-daemons.sh --config $HADOOP_CONF_DIR start


Hadoop shutdown also need to modified for above two scripts.