BLOG – Page 11 – Hadoop In Real World

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August 26, 2015

Reading A File From HDFS – Java Program

Reading A File From HDFS – Java Program In this last post we saw how to write a file to HDFS by writing our own Java […]
August 23, 2015

Writing A File To HDFS – Java Program

Writing A File To HDFS – Java Program   Writing a file to HDFS is very easy, we  can simply execute [crayon-599c7aa0a1869243610954-i/]  command to copy a file […]
August 16, 2015

Speculative Execution

What is Speculative Execution? Sometimes you will notice that a Job which has 3 input splits executed 4 mappers and killed the 4th mapper. The job […]
August 11, 2015

Changing Number Of Reducers

Changing Number Of Reducers In this blog post we saw how we can change the number of mappers in a MapReduce execution. In this post, we […]