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What are the steps involved in MapReduce framework?
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How would you tackle calculating the number of unique visitors for each hour by mining a huge apache log? You can use post processing on the output of the mapreduce job.
What is a RecordReader in Hadoop MapReduce?
what is "map" and what is "reducer" in Hadoop?
In MapReduce how to change the name of the output file from part-r-00000?
Is it possible to search for files using wildcards?
In Hadoop, which file controls reporting in Hadoop?
When is it not recommended to use MapReduce paradigm for large
Can MapReduce program be written in any language other than Java?
How many numbers of reducers run in Map-Reduce Job?
what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
How to set the number of reducers?
Is it possible to rename the output file?
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