What is the method for installing and using the Oozie framework?

The method of installing and using the Oozie framework is as follows:

  1. Download Oozie: Get the latest version of the Oozie framework from the official Apache Oozie website (https://oozie.apache.org/).
  2. Install dependencies: Make sure that the system has Java and Maven installed. Before installing Oozie, it is necessary to first install the following dependencies.
  3. Make sure Hadoop is installed and configured in the cluster.
  4. Copy Hadoop library files, such as hadoop-core.jar, to the lib directory in Oozie.
  5. Unpack Oozie: Extract the downloaded Oozie compressed file to any directory.
  6. Configure Oozie: Navigate to the unpacked Oozie directory, open the oozie-site.xml file, and make necessary configurations such as Hadoop settings and database connections.
  7. Build Oozie: Run the following command in the Oozie directory to build Oozie.
  8. Create distribution without running tests.
  9. Set up workflows: In the examples directory within the Oozie directory, there are definition files for some sample workflows (such as workflow.xml). Edit these files as needed or create your own workflow definition file.
  10. Deploy Oozie: Upload the oozie–distro.tar.gz file generated under the built Oozie directory to the cluster, and extract it to the designated location.
  11. Start the Oozie service by entering the decompressed Oozie directory and running the following command.
  12. Start the oozie service by running the specified command.
  13. Verify Oozie Installation: Run the following command to verify if Oozie is properly installed and running:
  14. What is the version of the Oozie admin tool?
  15. Submit workflow: Use the following command to submit a workflow:
  16. Execute the job using the Oozie server hosted at localhost on port 11000, with the configuration file located at examples/apps/map-reduce/job.properties.

The general steps for installing and using the Oozie framework are provided above. However, specific steps may vary depending on individual needs and environments, so adjustments can be made accordingly.

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