What is the use of reducer in Hadoop 2024?
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In Hadoop, Reducer takes the output of the Mapper (intermediate key-value pair) process each of them to generate the output. The output of the reducer is the final output, which is stored in HDFS. ... We will also discuss how many reducers are required in Hadoop and how to change the number of reducers in Hadoop MapReduce.
2023-04-26 09:28:02
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Charlotte Anderson
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In Hadoop, Reducer takes the output of the Mapper (intermediate key-value pair) process each of them to generate the output. The output of the reducer is the final output, which is stored in HDFS. ... We will also discuss how many reducers are required in Hadoop and how to change the number of reducers in Hadoop MapReduce.