Hadoop is an open-source framework for big data processing. If you have already installed Hadoop in your system then how to check its version? In this entire post, you will know how to check the version of Hadoop.
What is Hadoop?
Hadoop is a powerful tool for big data processing. It is an open-source project that is developed by the Apache Software Foundation. Hadoop uses simple programming models to process large datasets. It is mainly used for scaling up from single servers to thousands of machines.
There are two main versions of Hadoop:
1. The Apache Hadoop core framework
2. The Hortonworks Data Platform (HDP)
The Hortonworks Data Platform is a distribution of the Apache Hadoop core framework that includes additional features and tools.
How to check the Version of the Hadoop Framework
Method 1
You can use the following command to check the version of Hadoop that you have already installed in your system.
hadoop version
It will print the version of Hadoop installed in your system.
Method 2:
If you are using the Hortonworks Data Platform then you can also use the following command to check the version of Hadoop.
hdp-select status hadoop-client
It will output the version of the Hadoop client installed on your system.
Method 3:
If you are using the web interface then login to the namenode and go to the web interface. The web interface will show the version of Hadoop that is installed on your system.
Method 4:
Alternatively, Got to the installation directory of Hadoop. There you can also check the version by opening the ‘VERSION’ file.
Conclusion
Hadoop is an open-source framework for big data processing. There are many ways to check its version. The most common way is to check the version of it by using the command line. We hope you have liked this tutorial. If you are unable to check the version of it then you can contact us for more help.
