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SRVMTrainings asked  2013-07-07 03:24:35

What is a NameNode? How many instances of NameNode run on a Hadoop Cluster?


What is a NameNode? How many instances of NameNode run on a Hadoop Cluster?

 
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3 answers
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SRVMTrainings asked  2013-07-07 03:20:19

Explain the core methods of the Reducer?


Explain the core methods of the Reducer?

 
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2 answers
761
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SRVMTrainings asked  2013-05-16 08:19:02

Is it possible to provide multiple input to Hadoop? If yes then how can you give multiple directories as input to the Hadoop job


Is it possible to provide multiple input to Hadoop? If yes then how can you give multiple directories as input to the Hadoop job

 
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1 answers
588
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SRVMTrainings asked  2013-04-30 21:44:38

How would you tackle counting words in several text documents?


How would you tackle counting words in several text documents?

 
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2 answers
542
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SRVMTrainings asked  2013-03-30 03:42:43

How does master slave architecture in the Hadoop?


How does master slave architecture in the Hadoop?

 
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1 answers
607
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SRVMTrainings asked  2013-03-20 20:59:18

How did you debug your Hadoop code ?


How did you debug your Hadoop code ?

 
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1 answers
489
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SRVMTrainings asked  2013-03-14 05:52:24

How will you write a custom partitioner for a Hadoop job?


How will you write a custom partitioner for a Hadoop job?

 
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1 answers
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SRVMTrainings asked  2013-03-06 18:16:19

How can you add the arbitrary key-value pairs in your mapper?


How can you add the arbitrary key-value pairs in your mapper?

 
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2 answers
435
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SRVMTrainings asked  2013-03-05 14:26:03

what is a datanode?


what is a datanode?

 
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1 answers
1282
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SRVMTrainings asked  2013-03-04 03:46:47

What are combiners? When should I use a combiner in my MapReduce Job?


What are combiners? When should I use a combiner in my MapReduce Job?

 
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1 answers
630
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SRVMTrainings asked  2013-02-15 08:05:04

How Mapper is instantiated in a running job?


How Mapper is instantiated in a running job?

 
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2 answers
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SRVMTrainings asked  2013-02-05 02:11:40

Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?


Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?

 
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SRVMTrainings asked  2013-01-08 21:51:25

What happens if you don?t override the Mapper methods and keep them as it is?


What happens if you don?t override the Mapper methods and keep them as it is?

 
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1 answers
494
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SRVMTrainings asked  2013-01-08 04:53:32

How does an Hadoop application look like or their basic components?


How does an Hadoop application look like or their basic components?

 
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1 answers
596
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SRVMTrainings asked  2012-12-30 10:56:22

What are the restriction to the key and value class ?


What are the restriction to the key and value class ?

 
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5 answers
736
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SRVMTrainings asked  2012-12-18 02:38:50

Explain the WordCount implementation via Hadoop framework ?


Explain the WordCount implementation via Hadoop framework ?

 
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2 answers
582
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SRVMTrainings asked  2012-12-13 06:29:41

What Mapper does?


What Mapper does?

 
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5 answers
499
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SRVMTrainings asked  2012-12-13 06:27:00

what is MAP REDUCE?


what is MAP REDUCE?

 
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2 answers
528
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SRVMTrainings asked  2012-12-13 05:15:31

what is HDFS?


what is HDFS?

 
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1 answers
584
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SRVMTrainings asked  2012-11-11 02:28:58

Explain the Reducer?s Sort phase?


Explain the Reducer?s Sort phase?


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