Commissioning and Decommissioning in Hadoop

  • date 6th March, 2019 |
  • by Prwatech |
  • 1 Comments

 

Commissioning and Decommissioning in Hadoop

 

Commissioning and Decommissioning in Hadoop, Are you the one who is looking forward to knowing the server Commissioning and Decommissioning process? Or the one who is looking forward to knowing Commissioning of Datanodes and Decommissioning of Datanodes or Are you dreaming to become to certified Pro Hadoop Developer, then stop just dreaming, get your Hadoop certification course from India’s Leading Hadoop training institute.

 

In this tutorial, we will learn to add and removing in a Hadoop. We will learn the Step by Step procedure of server Commissioning and Decommissioning to add and remove data nodes in the Hadoop cluster. Do you want to know about the commissioning of Datanodes, So follow the below mentioned Commissioning and Decommissioning in Hadoop guide from Prwatech and take advanced hadoop training in pune like a pro from today itself under 10+ Years of hands-on experienced Professionals.

 

Server Commissioning and Decommissioning process

 

Decommissioning of Datanodes

 

Go to dfs.exclude file and comment the node which you want to recommission

 

Commissioning and Decommissioning Nodes in a Hadoop Cluster

Commissioning and Decommissioning Nodes in a Hadoop Cluster

 

Go to hdfs-site.xml and comment on the dfs.hosts.exclude property

 

Commissioning and Decommissioning Nodes in a Hadoop Cluster

Commissioning and Decommissioning Nodes in a Hadoop Cluster

 

Refresh the Node by below command

 

Commissioning and Decommissioning Nodes in a Hadoop Cluster

 

Go the refresh web user interface

 

Commissioning and Decommissioning Nodes in a Hadoop Cluster

 

Commissioning of Datanodes

 

Go to Your NameNode and Create the dfs.exclude file in your local machine.

 

Commissioning and Decommissioning Nodes in a Hadoop Cluster

 

Enter the DataNode name which Node you want to decommission.

 

 

Commissioning and Decommissioning Nodes in a Hadoop Cluster

 

Go to your hdfs-site.xml

 

Commissioning and Decommissioning Nodes in a Hadoop Cluster

 

Add the below property and save.

 

 

Refresh your node by below command

 

Commissioning and Decommissioning Nodes in a Hadoop Cluster

 

Check are Cluster information by web user interface.

Commissioning and Decommissioning Nodes in a Hadoop Cluster

 

Hope you understand Commissioning and Decommissioning Nodes in a Hadoop Cluster concept. Get success in your career as a Hadoop developer by being a part of the Prwatech, India’s leading Hadoop training institute in Bangalore.

 

 

 

 

 

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