Recent questions tagged mapreduce

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Which one is better MR or Spark?

4 days ago in Big Data Hadoop by Lohit
 • 14 views
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How to set up Map and Reduce Tasks?

Jul 12 in Big Data Hadoop by nitinrawat895
 • 10,110 points • 27 views
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Working of map function on data

Jul 11 in Apache Spark by Medha
 • 16 views
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1 answer

Difference b/w reduce and reduceLeft

Jun 20 in Big Data Hadoop by Keshav
 • 42 views
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1 answer

Multiple input for MapReduce job

Jun 20 in Big Data Hadoop by Kunal
 • 12 views
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1 answer

Error: Container is running beyond Memory Limits

Jun 20 in Big Data Hadoop by nitinrawat895
 • 10,110 points • 10 views
0 votes
1 answer

Command use to kill the job in MapReduce.

Jun 14 in Big Data Hadoop by rajiv
 • 19 views
0 votes
1 answer

Command to see the status of MapReduce job?

Jun 14 in Big Data Hadoop by Mahish
 • 17 views
0 votes
1 answer

Explain what is WebDAV in Hadoop?

Jun 10 in Big Data Hadoop by jina
 • 18 views
0 votes
1 answer

Explain what does the conf.setMapper Class do?

Jun 10 in Big Data Hadoop by sekhar
 • 12 views
0 votes
1 answer

Explain what is a sequence file in Hadoop?

Jun 10 in Big Data Hadoop by ranjan
 • 27 views
0 votes
1 answer

Problem while running MapReduce code.

May 23 in Big Data Hadoop by Haman
 • 18 views
0 votes
1 answer

MapReduce to count alphabets

May 23 in Big Data Hadoop by Quill
 • 36 views
0 votes
1 answer

Map-reduce code for finding average salary

May 22 in Big Data Hadoop by Janan
 • 13 views
0 votes
0 answers

hey,can you help me

Apr 11 in Big Data Hadoop by faris
 • 29 views
0 votes
1 answer

Why is Spark map output compressed?

Feb 23 in Apache Spark by Sanam
 • 32 views
0 votes
1 answer

How to run MapReduce program?

Feb 21 in Big Data Hadoop by Shashi
 • 71 views
0 votes
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How Pig programming gets converted into MapReduce jobs?

Feb 21 in Big Data Hadoop by Neha
 • 6,280 points • 9 views
0 votes
1 answer

How to select all columns with group by?

Feb 18 in Apache Spark by Ishan
 • 52 views
0 votes
1 answer

Doubt in word count query

Feb 18 in Big Data Hadoop by Sanam
 • 14 views
0 votes
1 answer

MapReduce: Map Value Mismatch error

Feb 13 in Big Data Hadoop by Jeeva
 • 22 views
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