Recent questions in Hadoop

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what are the different Job control options specified by MapReduce.

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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Define the term Partitioner and why is it used?

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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Define the term Text Input Format in MapReduce?

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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Illustrate the differences between MapReduce and PIG?

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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What do you think will happen when a data node fails?

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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Explain what you understand by the term NameNode in Hadoop?

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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Illustrate the differences between a reducer and a combiner?

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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What do you know about Input Format?

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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Briefly list out the different configuration parameters that are required to perform the job of the MapReduce framework?

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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List out the main components of MapReduce?

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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Why is MapReduce used?

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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Explain job scheduling through JobTracker.

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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Illustrate the differences between HDFS block and InputSplit?

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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Briefly explain about Identity Mapper and Chain Mapper in MapReduce?

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

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What do you know about MapReduce and how does it work?

asked Feb 17 in Hadoop by sharadyadav1986 (30.6k points)

+1 vote

How many formats of SequenceFile are present in Hadoop I/O?

asked Jan 13 in Hadoop by john ganales (13.1k points)

+1 vote

Hadoop is distributed under .................

asked Jan 13 in Hadoop by john ganales (13.1k points)

+1 vote

The commercial applications of Hadoop include ...............

asked Jan 13 in Hadoop by john ganales (13.1k points)

+1 vote

The heartbeat signal are sent from ................

asked Jan 13 in Hadoop by john ganales (13.1k points)

+1 vote

Which of the following option is used for machine learning on Hadoop?

asked Jan 13 in Hadoop by john ganales (13.1k points)

+1 vote

Which of the following option allows users to read or write Avro data as Hive tables?

asked Jan 13 in Hadoop by john ganales (13.1k points)

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What is the shortcut for DUMP operator?

asked Jan 13 in Hadoop by john ganales (13.1k points)

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. ................. operator is used to view the map reduce execution plans.

asked Jan 13 in Hadoop by john ganales (13.1k points)

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Pig operates in mainly ......... nodes?

asked Jan 13 in Hadoop by john ganales (13.1k points)

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What is the common reason to restart hadoop process?

asked Jan 13 in Hadoop by john ganales (13.1k points)

+1 vote

Which of the following command is used to copy file or directories recursively?

asked Jan 13 in Hadoop by john ganales (13.1k points)

+1 vote

Which of the following hdfs command is used to check for various inconsistencies?

asked Jan 13 in Hadoop by john ganales (13.1k points)

+1 vote

Which of the following is the most popular NoSQL database for scalable big data store with Hadoop?

asked Jan 13 in Hadoop by john ganales (13.1k points)

+1 vote

Which of the following statement is incorrect about Hadoop?

asked Jan 13 in Hadoop by john ganales (13.1k points)

+1 vote

Which of the following command is used to check the status of all daemons running in the HDFS?

asked Jan 13 in Hadoop by john ganales (13.1k points)

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