Hadoop HDFS DataNode Stop

Stop the DataNode service. It is recommended to stop a DataNode before its associated the NameNodes.

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

Service

You can also stop the server manually with one of the following two commands:

system hadoop-hdfs-datanode stop
systemctl stop hadoop-hdfs-datanode
/usr/hdp/current/hadoop-hdfs-datanode/../hadoop/sbin/hadoop-daemon.sh --config /etc/hadoop-hdfs-datanode/conf stop datanode

The file storing the PID is "/var/run/hadoop-hdfs/hadoop-hdfs-datanode.pid".

  @service.stop
    header: 'HDFS DN Stop'
    name: 'hadoop-hdfs-datanode'

Stop Clean Logs

  @system.execute
    header: 'HDFS DN Clean Logs'
    if: options.clean_logs
    cmd: "rm #{options.log_dir}/*-datanode-*"
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