What does the term "data locality" mean in Hadoop?

Asked by Last Modified  

5 Answers

Learn Hadoop

Follow 3
Answer

Please enter your answer

Ranjith N

"Transforming your struggles into success"

Data locality in Hadoop refers to the practice of processing data on the same node where it is stored, reducing network traffic and improving performance.
Comments
Dislike Bookmark

I am online Quran teacher 7 years

the principle of processing data on the same node where it's stored, rather than transferring the data to a different node for computation.
Comments
Dislike Bookmark

I am online Quran teacher 7 years

the principle of processing data on the same node where it's stored, rather than transferring the data to a different node for computation
Comments
Dislike Bookmark

"Rajesh Kumar N: Guiding Young Minds from 1 to 12 with Expertise and Care"

Data locality in Hadoop refers to the concept of processing data where it is stored. Hadoop tries to run tasks on nodes that have the data (in HDFS) locally, reducing the need for data transfer over the network. Improves performance by minimizing network latency and optimizing data processing. This...
read more
Data locality in Hadoop refers to the concept of processing data where it is stored. Hadoop tries to run tasks on nodes that have the data (in HDFS) locally, reducing the need for data transfer over the network. Improves performance by minimizing network latency and optimizing data processing. This is a key principle of Hadoop's MapReduce framework to increase efficiency. read less
Comments
Dislike Bookmark

C language Faculty (online Classes )

Data Locality in Hadoop means moving computation close to data rather than moving data towards computation. Hadoop stores data in HDFS, which splits files into blocks and distribute among various data nodes. When a mapReduce job is submitted, it is divided into map jobs and reduce jobs.
Comments
Dislike Bookmark

View 3 more Answers

Related Questions

Hi everyone, What is Hadoop /bigdata and what is required qualification and work experience background for Hadoop/bigdata?
Hadoop is the core platform for structuring Big Data, and solves the problem of formatting it for subsequent analytics purposes. Hadoop uses a distributed computing architecture consisting of multiple...
Priya
Can anyone suggest about Hadoop?
Hadoop is good but it depends on your experience. If you don't know basic java, linux, shell scripting. Hadoop is not beneficial for you.
Ajay
What is the purpose of RecordReader in Hadoop?
RecordReader converts input splits into key-value pairs for the Mapper.
Malvika
0 0
View Comments6
Which is easy to learn for a fresher Hadoop or cloud computing?
Hadoop is completely easy . You can learn Hadoop along with other ecosystem also . If you need any support then feel free contact me on this . i can help you to lean Hadoop in very simple manner .
Praveen
0 0
View Comments5
My name is Rajesh , working as a Recruiter from past 6 years and thought to change my career into software (development / admin/ testing ) am seeking for some suggestion which technology I need to learn ? Any job after training ? Or where I can get job within 3 months after finishing my training programme- your advices are highly appreciated
Mr rajesh if you want to enter in to software Choose SAP BW AND SAP HANA because BW and HANA rules the all other erp tools next 50 years.it provides rubust reporting tools for quicker decesion of business It very easy to learn
Rajesh
1 0
View Comments6

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

How to change a managed table to external
ALTER TABLE <table> SET TBLPROPERTIES('EXTERNAL'='TRUE') This above property will change a managed table to an external table

Rahul Sharma

0 0
View Comments0
Use of Piggybank and Registration in Pig
What is a Piggybank? Piggybank is a jar and its a collection of user contributed UDF’s that is released along with Pig. These are not included in the Pig JAR, so we have to register them manually...
S

Sachin Patil

0 0
View Comments0
Lets look at Apache Spark's Competitors. Who are the top Competitors to Apache Spark today.
Apache Spark is the most popular open source product today to work with Big Data. More and more Big Data developers are using Spark to generate solutions for Big Data problems. It is the de-facto standard...
B

Biswanath Banerjee

1 0
View Comments0
Design Pattern
Prototype Design Pattern: Ø Prototype pattern refers to creating duplicate object while keeping performance in mind. Ø This pattern involves implementing a prototype interface which tells...

Paras Chawla

0 0
View Comments0
How can you recover from a NameNode failure in Hadoop cluster?
How can you recover from a Namenode failure in Hadoop?Why is Namenode so important?Namenode is the most important Hadoop service. It contains the location of all blocks in the cluster. It maintains the...
B

Biswanath Banerjee

0 0
View Comments0

Recommended Articles

Why Should you Become a Data Scientist

We have already discussed why and how “Big Data” is all set to revolutionize our lives, professions and the way we communicate. Data is growing by leaps and bounds. The Walmart database handles over 2.6 petabytes of massive data from several million customer transactions every hour. Facebook database, similarly handles...

Read full article >

Growth and Career Prospects in Big Data

Big data is a phrase which is used to describe a very large amount of structured (or unstructured) data. This data is so “big” that it gets problematic to be handled using conventional database techniques and software.  A Big Data Scientist is a business employee who is responsible for handling and statistically evaluating...

Read full article >

Learn Hadoop and Big Data

Hadoop is a framework which has been developed for organizing and analysing big chunks of data for a business. Suppose you have a file larger than your system’s storage capacity and you can’t store it. Hadoop helps in storing bigger files than what could be stored on one particular server. You can therefore store very,...

Read full article >

Some Popular IT Courses in Current Market

In the domain of Information Technology, there is always a lot to learn and implement. However, some technologies have a relatively higher demand than the rest of the others. So here are some popular IT courses for the present and upcoming future: Cloud Computing Cloud Computing is a computing technique which is used...

Read full article >

Find Hadoop near you
Hadoop in Hyderabad
Hadoop in Bangalore

Looking for Hadoop ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you