Introduction to Hadoop Technologies

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HADOOP INTRODUCTION
By Quontra Solutions
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About Quontra Solutions

• Quontra Solutions is one of the leading players
  in the professional IT Training Services.
• We believe the need of quality people in the IT
  Industry is growing and there are always
  opportunities for the best trained.
• We have been providing the best training that
  suits the specific requirements of the student
  and also the current market trends.

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OUR SERVICES
We provide Classroom training as well as Online
training so that one can take the training at the
comfort of their own home or office.
IT-Consulting and staffing
Online Training
In-Class Training
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Corporate IT-Training
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What is Hadoop

• Hadoop is a software framework for distributed
  processing of large
• datasets across large clusters of computers.
• Large datasets ? Terabytes or petabytes of data
• Large clusters ? hundreds or thousands of nodes

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What is Hadoop (Contd)

• Hadoop framework consists on two main layers
• Distributed file system (HDFS)
• Execution engine (Map Reduce)

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Hadoop Master/Slave Architecture
Hadoop is designed as a master-slave
shared-nothing architecture
Master node (single node)
Many slave nodes
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Design Principles of Hadoop

• Automatic parallelization distribution
• Hidden from the end-user
• Fault tolerance and automatic recovery
• Nodes/tasks will fail and will recover
  automatically
• Clean and simple programming abstraction
• Users only provide two functions map and
  reduce

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Who Uses Map Reduce/Hadoop

• Google Inventors of Map Reduce computing
  paradigm
• Yahoo Developing Hadoop open-source of Map
  Reduce
• IBM, Microsoft, Oracle
• Facebook, Amazon, AOL, Net Flex
• Many others universities and research labs

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Hadoop Distributed File System (HDFS)
Centralized name node -
File F
Blocks (64 MB)
Many datanode (1000s)
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Effective course List

• Microsoft Courses

• Programming Courses

• Digital Marketing

• Networking Courses

• Testing Tools

• Business Analyst

• Mobile Apps

• Salesforce CRM

• Hadoop

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For More Hadoop In-depth Knowledge
Contact Us
QUONTRASOLUTIONS 204-226 Imperial Drive, Rayners
Lane, Harrow HA27HH Email info_at_quontrasolutions.c
o.uk Contact 44(0)-20-3734-1498 / 1499
www.quontrasolutions.co.uk
Contact 44(0)-20-3734-1498 / 1499