How to run mapreduce program in terminal?

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Hi. I have done a map reduce program in java now I want to run it in terminal but I am getting how to run it. Please help.

Jan 31, 2019 in Big Data Hadoop by Kavi
1,266 views

1 answer to this question.

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You can reference the below steps:

Step 1: Copy the code to you eclipse and export the jar.

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Now for exporting the jar part, you should do this:

image

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Now, browse to where you want to save the jar file.

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Step 2: Copy the dataset to the hdfs using the below command:

hadoop fs -put wordcountproblem​

Step 3: Check if dataset was stored in hdfs:

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Step 4: Execute the MapReduce code:

Syntax:

hadoop jar jar_name package_name.class_name input_path_in_hdfs output_path_in_hdfs

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Step 8: Check the output directory for your output

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answered Jan 31, 2019 by Srishti

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