- Every day, we create 2.5 quintillion bytes of data — so much that 90% of the data in the world today has been created in the last two years alone.
- Gartner defines Big Data as
high volume, velocity and variety
information assets that demand
cost-effective, innovative forms
of information processing for
enhanced insight and decision
making.
- According to IBM, 80% of data captured today is unstructured, from sensors used to gather climate information, posts to social media sites, digital pictures and videos, purchase transaction records, and cell phone GPS signals, to name a few. All of this unstructured data is Big Data
Big Data Hadoop
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