August 15, 2023

Scenario: Counting words using custom map and reduce code – Docs for ESB 6.x

Scenario: Counting words using custom map and reduce code

This scenario applies only to a subscription-based Talend solution with Big data.

Inspired by the MapReduce example explained in Apache’s documentation on http://wiki.apache.org/hadoop/WordCount, this scenario demonstrates how to
use tJavaMR to create a MapReduce program to count
words.

components-use_case-tjavamr1.png
The sample data to be used in this scenario reads as follows:

Before starting to replicate this scenario, ensure that you have appropriate rights
and permissions to access the Hadoop distribution to be used. Then proceed as
follows:


Document get from Talend https://help.talend.com
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