Top "Hadoop-streaming" questions

Hadoop streaming is a utility that allows running map-reduce jobs using any executable that reads from standard input and writes to standard output.

wordCounts.dstream().saveAsTextFiles("LOCAL FILE SYSTEM PATH", "txt"); does not write to file

I am trying to write JavaPairRDD into file in local system. Code below: JavaPairDStream<String, Integer> wordCounts = words.…

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How to read hadoop sequential file?

I have a sequential file which is the output of hadoop map-reduce job. In this file data is written in …

java map hadoop sequential hadoop-streaming
Hadoop streaming - remove trailing tab from reducer output

I have a hadoop streaming job whose output does not contain key/value pairs. You can think of it as …

hadoop hadoop-streaming
How to import a custom module in a MapReduce job?

I have a MapReduce job defined in main.py, which imports the lib module from lib.py. I use Hadoop …

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