why do we need MaPReduce in BigData Hadoop

0 votes
What is the need of MapReduce in BigData can anyone explain this?
Jun 3, 2019 in Big Data Hadoop by Rajnish
164 views

1 answer to this question.

0 votes

Hi,

As we know Hadoop provides Hdfs as well as MapReduce. Now when you are dealing with storage then you have to use Hdfs. But if you want to process something on this data than you need some processing tool, that is way Hadoop provides MapReduce. This runs your program file and execute and gives the output.

Thank You

answered Feb 4, 2020 by MD
• 95,140 points

Related Questions In Big Data Hadoop

0 votes
1 answer

Why do we need Hadoop framework?

The function of Distributes File System is ...READ MORE

answered Apr 9, 2019 in Big Data Hadoop by Gitika
• 65,870 points

edited Apr 12, 2019 by Gitika 346 views
0 votes
1 answer

Why do we need the FOR EACH operation in Pig Scripts?

The operation FOREACH in Apache Pig is ...READ MORE

answered Apr 30, 2019 in Big Data Hadoop by Gitika
• 65,870 points
82 views
+1 vote
1 answer

Why do we use STORE command in pig?

Hey, We use store command to store the ...READ MORE

answered May 7, 2019 in Big Data Hadoop by Gitika
• 65,870 points
642 views
0 votes
1 answer

What do we exactly mean by “Hadoop” – the definition of Hadoop?

The official definition of Apache Hadoop given ...READ MORE

answered Mar 16, 2018 in Big Data Hadoop by Shubham
986 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
• 11,380 points
7,090 views
+2 votes
11 answers

hadoop fs -put command?

Hi, You can create one directory in HDFS ...READ MORE

answered Mar 16, 2018 in Big Data Hadoop by nitinrawat895
• 11,380 points
51,269 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
• 9,390 points
2,683 views
0 votes
1 answer
0 votes
1 answer

Why we use 'help' command in Hadoop Sqoop?

Hi, The command sqoop help lists the tools ...READ MORE

answered Feb 4, 2020 in Big Data Hadoop by MD
• 95,140 points
159 views
0 votes
1 answer

can we store hive output in hadoop hdfs

Hi, You can save your hive output to ...READ MORE

answered Feb 24, 2020 in Big Data Hadoop by MD
• 95,140 points
730 views