Haoop mapreduce sample example and code lines- Mapreduce use case discussion

byNikhil Ranjan •
6
1. Hadoop Mapreduce word count example - execute Wordcount jar on single node cluster
2. Mapreduce program in eclipse - Generate hadoop2x-eclipse-plugin and word count example 
3. MapReduce: Find total and average salary of employees 
4. Weather report POC - MapReduce program to analyse time-temperature statistics and generate report with max/min temperature
5. MapReduce: Remove duplicate records from input file on HDFS
6. Join operation in MapReduce - Join two files(one in HDFS and other one is cached)
7. Mapreduce: Analyse customer feedback about mobile phone stored in text file and separate out positive & negative feedback in separate files

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3. Read and Write operation in Hadoop 2.0 - An overview from API perspective


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6 Comments

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    ReplyDelete
  2. SimpliDistanceSep 21, 2024, 5:57:00 AM

    Thanks For Sharing

    ReplyDelete
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  4. rohn walkerDec 26, 2024, 2:11:00 AM

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  6. Christine JohnNov 25, 2025, 9:53:00 PM

    Understanding a Hadoop MapReduce sample example becomes much easier when you break down each step of the map and reduce functions with a real use-case scenario. Whether you're analyzing log files or processing large datasets, the logic flow explains how keys and values travel through the system. Many learners also compare different code lines to understand performance impacts and data shuffle behavior. And while exploring these concepts, some even look for primary homework help online to clarify tricky parts and deepen their understanding.

    ReplyDelete
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