Map Reduce Programs

randomtextwriter:

A map/reduce program that writes 10GB of random textual data per node.

To run:

bin/hadoop jar hadoop-examples-*.jar randomtextwriter <out-dir>

Input:

This map reduce program does not take any input.

Output:

This program will write 10GB of random textual data on HDFS of each node.

Screenshot:

rtw

randomwriter:

A map/reduce program that writes 10GB of random data per node.

To run:

bin/hadoop jar hadoop-examples-*.jar randomwriter <out-dir>

Input:

This map reduce program does not take any input.

Output:

This program will write 10GB of random data on HDFS of each node.

Screenshot:

rw

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