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Hadoop HDFS NameNode Start

Start the NameNode service as well as its ZKFC daemon. In HA mode, all JournalNodes shall be previously started.

module.exports = header: 'HDFS NN Start', handler: ({options}) ->

Wait

  @call 'ryba/zookeeper/server/wait', once: true, options.wait_zookeeper_server
  @call 'ryba/hadoop/hdfs_jn/wait', once: true, options.wait_hdfs_jn

Service

You can also start the server manually with the following two commands:

system hadoop-hdfs-namenode start
systemctl start hadoop-hdfs-namenode
su -l hdfs -c "/usr/hdp/current/hadoop-hdfs-namenode/../hadoop/sbin/hadoop-daemon.sh --config /etc/hadoop-hdfs-namenode/conf --script hdfs start namenode"

  @service.start
    name: 'hadoop-hdfs-namenode'