What is Map and flatMap in Spark

0 votes
Can anyone explain what Map and FlatMap in Spark?
Jul 3, 2019 in Apache Spark by Naina

recategorized Jul 4, 2019 by Gitika 2,069 views

1 answer to this question.

0 votes
Hi,

The map is a specific line or row to process that data. In FlatMap each input item can be mapped to multiple output items (so the function should return a Seq rather than a single item). So most frequently used to return Array elements.
answered Jul 3, 2019 by Gitika
• 65,890 points

Related Questions In Apache Spark

+1 vote
3 answers

What is the difference between rdd and dataframes in Apache Spark ?

Comparison between Spark RDD vs DataFrame 1. Release ...READ MORE

answered Aug 28, 2018 in Apache Spark by shams
• 3,670 points
43,019 views
+1 vote
0 answers

What is the use case of map and flatMap?

What is the major use case for ...READ MORE

Aug 25, 2019 in Apache Spark by anonymous
• 130 points

closed Aug 26, 2019 by Omkar 1,648 views
+1 vote
1 answer

Can anyone explain what is RDD in Spark?

RDD is a fundamental data structure of ...READ MORE

answered May 24, 2018 in Apache Spark by Shubham
• 13,490 points
2,667 views
0 votes
1 answer

Spark 2.3? What is new in it?

Here are the changes in new version ...READ MORE

answered May 28, 2018 in Apache Spark by kurt_cobain
• 9,390 points
782 views
+1 vote
2 answers
+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
10,983 views
0 votes
1 answer

hadoop.mapred vs hadoop.mapreduce?

org.apache.hadoop.mapred is the Old API  org.apache.hadoop.mapreduce is the ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 11,380 points
2,501 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
108,557 views
0 votes
1 answer

What is the difference between persist() and cache() in apache spark?

Hi, persist () allows the user to specify ...READ MORE

answered Jul 3, 2019 in Apache Spark by Gitika
• 65,890 points
3,544 views
0 votes
1 answer

what is Paired RDD and how to create paired RDD in Spark?

Hi, Paired RDD is a distributed collection of ...READ MORE

answered Aug 2, 2019 in Apache Spark by Gitika
• 65,890 points
9,492 views
webinar REGISTER FOR FREE WEBINAR X
REGISTER NOW
webinar_success Thank you for registering Join Edureka Meetup community for 100+ Free Webinars each month JOIN MEETUP GROUP