How to restart NameNode or all the daemons in Hadoop?

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- September 20, 2018 at 2:16 pm #5105
  
  DataFlair Team
  Spectator
  
  What are the Different ways to restart NameNode in Hadoop?
  What is best way to restart all the daemons in Hadoop?
- September 20, 2018 at 2:16 pm #5107
  DataFlair Team
  Spectator
  To start NameNode in Hadoop –
  
  First stop
```
$HADOOP_HOME/bin/stop.dfs.sh
$HADOOP_HOME/bin/hadoop-daemon.sh stop namenode
```
  Then start again
```
$HADOOP_HOME/bin/start.dfs.sh
$HADOOP_HOME/bin/hadoop-daemon.sh start namenode
```
  To restart all daemons use the following command which deprecated
```
$HADOOP_HOME/bin/stop.all.sh
$HADOOP_HOME/bin/start.all.sh
```
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