#
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###
###    http://www.apache.org/licenses/LICENSE-2.0
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##
- name: Check if NameNode is running
  shell: jps | grep " NameNode" | grep -v grep
  ignore_errors: yes
  changed_when: false
  register: namenode_status
- name: "start namenode"
  command: "nohup {{ hadoop_home }}/sbin/hadoop-daemon.sh start namenode"
  when: namenode_status.rc == 1