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BI Week 7 (Big Data Concepts and Tools) (Challenges of Big data analytics,…
BI Week 7 (Big Data Concepts and Tools)
What is big data
Growth of information
Availabiity and use of information
Structured and unstructured
Where do big data come from
Facebook
YouTube
Google
HealthCare
Characteristics of big data
Volume
Velocity
Variety
Data warehouse limitations
Schema(fixed)
Scalability
Speed
Others
Unable to handle sophisticated handling
Unable to perform queries
Challenges of Big data analytics
Data Volume
Data integration
Processing capabilities
Data governance
Skill availability
Solution cost
Success factors to big data
A clear business need
Personnel with advanced analytical skills
The right analytics tools
Strong commited sponsorship
a fact based decision making
Popular big data technology
Hadoop
Master Node
Name
Job
Slave Node
Task
Data
MapReduce
NoSQL
HIVE
PIG