Daily Archives: April 6, 2014


Apart from Command Line Interface, Hadoop also provides Web User Interface to both HDFS and YARN Resource Manager. Both HDFS Web User interface and Yarn Interfaces are useful in pseudo-distributed mode and are critical tools when you have a fully distributed setup. HDFS Web UI Enter the URL as http://localhost:50070/ in web browser and to point to port number 50070 on localhost host name in pseudo-distributed mode. In Fully distributed mode, replace […]

Run Example MapReduce Program 2

For testing YARN/Map Reduce Installation, we can run example mapreduce program (word count job) from the hadoop download directory. Hadoop release will contain map reduce examples in  share/hadoop/mapreduce/hadoop-mapreduce-examples-x.y.z.jar file. In this demonstration, we will consider wordcount mapreduce program from the above jar to test the counts of each word in a input file and writes counts into output file. 1. Create input test file in local file system and copy it […]

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I am a plsql developer. Intrested to move into bigdata.

Neetika Singh ITA