BLOG – Page 8 – Hadoop In Real World

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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-587e333e8038c065283362-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 […]
August 9, 2015

Changing Number Of Mappers

Changing Number Of Mappers Number of mappers always equals to the Number of splits. Having said that it is possible to control the number of splits […]