Mappers in Hadoop

0 votes
Is it possible to change the number of mappers being created in a task?
Jul 31, 2018 in Big Data Hadoop by Data_Nerd
• 2,370 points
38 views

1 answer to this question.

0 votes
The number of mappers is determined by the number of input splits. So that is  not possible.

Hope it helps
answered Jul 31, 2018 by kurt_cobain
• 9,310 points

Related Questions In Big Data Hadoop

0 votes
1 answer

Method to schedule the number of Mappers and Reducers in a Hadoop MapReduce Tsk.

The number of Mapper tasks for a ...READ MORE

answered Apr 25, 2019 in Big Data Hadoop by ravikiran
• 4,600 points
100 views
0 votes
1 answer

How to run Hadoop in Docker containers?

Hi, You can run Hadoop in Docker container. Follow ...READ MORE

answered Jan 24 in Big Data Hadoop by MD
• 33,820 points
356 views
+1 vote
1 answer

Is Hadoop only Framework in Big Data Ecosystem ?

Actually there are many other frameworks, one of ...READ MORE

answered Mar 26, 2018 in Big Data Hadoop by Ashish
• 2,630 points
170 views
0 votes
7 answers

How to run a jar file in hadoop?

I used this command to run my ...READ MORE

answered Dec 10, 2018 in Big Data Hadoop by Dasinto
9,992 views
+1 vote
1 answer

Hadoop Mapreduce word count Program

Firstly you need to understand the concept ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 10,920 points
5,319 views
+1 vote
11 answers

hadoop fs -put command?

put syntax: put <localSrc> <dest> copy syntax: copyF ...READ MORE

answered Dec 7, 2018 in Big Data Hadoop by Aditya
32,452 views
–1 vote
1 answer

Hadoop dfs -ls command?

In your case there is no difference ...READ MORE

answered Mar 16, 2018 in Big Data Hadoop by kurt_cobain
• 9,310 points
2,004 views
0 votes
1 answer
0 votes
1 answer

When hadoop-env.sh will be executed in hadoop

Yes you need to put in the ...READ MORE

answered Apr 3, 2018 in Big Data Hadoop by kurt_cobain
• 9,310 points
287 views