How to view the status of the Hadoop cluster?

2 years ago
William Carter
2 minutes

To check the status of the Hadoop cluster, you can use the following command:

  1. To view the running Hadoop processes, use the jps command.
  2. Japanese Playstation
  3. This will display all Java processes currently running, including various components of Hadoop such as NameNode, DataNode, ResourceManager, NodeManager, and others.
  4. To view the status of the cluster using the built-in web interface of Hadoop, type the following address in your browser, where is the hostname or IP address of the Hadoop cluster:
  5. The Hadoop master node: http://:50070/, is used to view the status and statistics of HDFS.
  6. Hadoop Resource Manager: http://:8088/ can be used to check on the applications running and resource utilization in the cluster.
  7. These web interfaces will provide detailed information about the cluster, such as node health status, job status, resource allocation, etc.
  8. Access the cluster status using the Hadoop Command Line Interface (CLI). Here are some commonly used commands:
  9. Check the status of HDFS by running the command: “hdfs dfsadmin -report”
  10. Check the status of the YARN cluster:
    yarn node -list
    yarn application -list
  11. These commands will provide detailed information and statistics about the HDFS and YARN clusters.

Please note that the availability and URLs of the above commands and web interfaces may vary depending on your Hadoop version and configuration.

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