How do you access Hadoop?
Access the HDFS using its web UI. Open your Browser and type localhost:50070 You can see the web UI of HDFS move to utilities tab which is on the right side and click on Browse the File system, you can see the list of files which are in your HDFS. Follow the below steps to download the file to your local file system.
How do I connect to Hadoop server?
Open the Hadoop Cluster Window
- In the PDI client, create a new job or transformation or open an existing one.
- Click the View tab.
- Right-click the Hadoop clusters folder, then click New. The Hadoop Cluster window appears.
- You can now Configure and Test the Hadoop Cluster connection.
How do I connect to HDFS?
To setup a new Hadoop filesystem connection, go to Administration → Connections → New connection → HDFS. A HDFS connection in DSS consists of : a root path, under which all the data accessible through that connection resides.
How do I start Hadoop?
Run the command % $HADOOP_INSTALL/hadoop/bin/start-dfs.sh on the node you want the Namenode to run on. This will bring up HDFS with the Namenode running on the machine you ran the command on and Datanodes on the machines listed in the slaves file mentioned above.