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SRVMTrainings asked  2012-11-11 02:26:30

What are the primary phases of the Reducer?


What are the primary phases of the Reducer?

 
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SRVMTrainings asked  2012-11-11 02:25:33

Explain the Reducer?s reduce phase?


Explain the Reducer?s reduce phase?

 
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579
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SRVMTrainings asked  2012-11-11 02:18:41

Explain the shuffle?


Explain the shuffle?

 
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613
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SRVMTrainings asked  2012-11-11 02:12:25

What happens if number of reducers are 0?


What happens if number of reducers are 0?

 
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497
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SRVMTrainings asked  2012-11-11 02:10:12

How many Reducers should be configured?


How many Reducers should be configured?

 
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SRVMTrainings asked  2012-11-08 05:07:28

What is Writable & WritableComparable interface?


What is Writable & WritableComparable interface?

 
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SRVMTrainings asked  2012-11-08 04:39:59

What is the Hadoop MapReduce API contract for a key and value Class?


What is the Hadoop MapReduce API contract for a key and value Class?

 
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794
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SRVMTrainings asked  2012-11-08 04:25:56

Where is the Mapper Output (intermediate kay-value data) stored ?


Where is the Mapper Output (intermediate kay-value data) stored ?

 
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SRVMTrainings asked  2012-11-08 04:09:12

What is the difference between HDFS and NAS ?


What is the difference between HDFS and NAS ?

 
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SRVMTrainings asked  2012-11-08 03:50:59

Have you ever used Counters in Hadoop. Give us an example scenario?


Have you ever used Counters in Hadoop. Give us an example scenario?

 
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SRVMTrainings asked  2012-11-08 03:18:35

What is the main difference between Java and C++?


What is the main difference between Java and C++?

 
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SRVMTrainings asked  2012-11-08 03:09:53

What alternate way does HDFS provides to recover data in case a Namenode, without backup, fails and cannot be recovered?


What alternate way does HDFS provides to recover data in case a Namenode, without backup, fails and cannot be recovered?

 
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SRVMTrainings asked  2012-11-08 02:59:09

What is the use of Context object?


What is the use of Context object?

 
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498
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SRVMTrainings asked  2012-11-08 02:46:02

What is the Reducer used for?


What is the Reducer used for?

 
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SRVMTrainings asked  2012-11-08 02:43:59

What is the use of Combiner?


What is the use of Combiner?

 
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SRVMTrainings asked  2012-11-08 00:58:49

Explain how input and output data format of the Hadoop framework?


Explain how input and output data format of the Hadoop framework?

 
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SRVMTrainings asked  2012-11-07 00:45:35

What is compute and Storage nodes?


What is compute and Storage nodes?

 
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442
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SRVMTrainings asked  2012-11-07 00:38:25

what is namenode?


what is namenode?

 
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580
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SRVMTrainings asked  2012-11-07 00:32:45

How does Mapper?s run() method works?


How does Mapper?s run() method works?

 
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SRVMTrainings asked  2012-11-07 00:30:42

what is the default replication factor in HDFS?


what is the default replication factor in HDFS?


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