Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?


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More MapReduce Interview Questions

What is the difference between Job and Task in MapReduce?

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how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?

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What is Mapper in Hadoop MapReduce?

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What is the data storage component used by Hadoop?

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Is it possible to split 100 lines of input as a single split in MapReduce?

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Explain about the basic parameters of mapper and reducer function

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What is the Reducer used for?

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What are the various configuration parameters required to run a mapreduce job?

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What combiners are and when you should use a combiner in a mapreduce job?

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What is difference between an input split and hdfs block?

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How do reducers communicate with each other?

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Why can aggregation not be done in Mapper in MapReduce?

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