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  1. 1. Mohammad Reza Gerami 1
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  4. 4. • ‘Big Data’ is similar to ‘small data’, but bigger •…but having data bigger it requires different approaches: • Techniques, tools and architecture •…with an aim to solve new problems • …or old problems in a better way 4
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  6. 6. Characteristics of Big Data: 1-Scale (Volume) • DataVolume Exponential increase in collected/generated data 6
  7. 7. Big Data in Today’s Business and Technology Environment  2.7 Zetabytes of data exist in the digital universe today. (Source)  235 Terabytes of data has been collected by the U.S. Library of Congress in April 2011. (Source)  The Obama administration is investing $200 million in big data research projects. (Source)  IDC Estimates that by 2020,business transactions on the internet- business-to- business and business-to-consumer – will reach 450 billion per day. (Source)  Facebook stores, accesses, and analyzes 30+ Petabytes of user generated data. (Source)  Akamai analyzes 75 million events per day to better target advertisements. (Source)  94% of Hadoop users perform analytics on large volumes of data not possible before; 88% analyze data in greater detail; while 82% can now retain more of their data. (Source) 7
  8. 8.  Walmart handles more than 1 million customer transactions every hour, which is imported into databases estimated to contain more than 2.5 petabytes of data. (Source)  More than 5 billion people are calling, texting, tweeting and browsing on mobile phones worldwide. (Source)  Decoding the human genome originally took 10 years to process; now it can be achieved in one week. (Source)  In 2008, Google was processing 20,000 terabytes of data (20 petabytes) a day. (Source) The largest AT&T database boasts titles including the largest volume of data in one unique database (312 terabytes) and the second largest number of rows in a unique 8
  9. 9. The Rapid Growth of Unstructured Data YouTube users upload 48 hours of new video every minute of the day. (Source) 571 new websites are created every minute of the day. (Source) Brands and organizations on Facebook receive 34,722 Likes every minute of the day. (Source) 100 terabytes of data uploaded daily to Facebook. (Source) According to Twitter’s own research in early 2012, it sees roughly 175 million tweets every day, and has more than 465 million accounts. (Source) 30 Billion pieces of content shared on Facebook every month. (Source) Data production will be 44 times greater in 2020 than it was in 2009. (Source) 9
  10. 10. The Rapid Growth of Unstructured Data In late 2011, IDC Digital Universe published a report indicating that some 1.8 zettabytes of data will be created that year. (Source) In other words, the amount of data in the world today is equal to: Every person in the US tweeting three tweets per minute for 26,976 years. Every person in the world having more than 215m high-resolution MRI scans a day. More than 200bn HD movies – which would take a person 47m years to watch. 10
  11. 11. Decimal Value Metric 1000 kB kilobyte 10002 MB megabyte 10003 GB gigabyte 10004 TB terabyte 10005 PB petabyte 10006 EB exabyte 10007 ZB zettabyte 10008 YB yottabyte 11
  12. 12. Social media and networks (all of us are generating data) Scientific instruments (collecting all sorts of data) Mobile devices (tracking all objects all the time Sensor technology and networks (measuring all kinds of data) 12
  13. 13. • No single standard definition… Big Data 13
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  16. 16. What to do with these data? 16
  17. 17. How much data? 640K ought to be enough for anybody. 17
  18. 18. Why Big Data • Key enablers of appearance and growth of Big Data are –Increase of storage capacities –Increase of processing power –Availability of data –Every day we create 2.5 quintillion bytes of data; 90% of the data in the world today has been created in the last two years alone 18
  19. 19. Big Data Analytics • Examining large amount of data • Appropriate information • Identification of hidden patterns, unknown correlations • Competitive advantage • Better business decisions: strategic and operational • Effective marketing, customer satisfaction, increased revenue 19
  20. 20. Applications for Big Data Analytics Homeland Security FinanceSmarter Healthcare Multi-channel sales Telecom Manufacturing Traffic Control Trading Analytics Fraud and Risk Log Analysis Search Quality Retail: Churn, NBO 20
  21. 21. Healthcare • 80% of medical data is unstructured and is clinically relevant • Data resides in multiple places like individual EMRs, lab and imaging systems, physician notes, medical correspondence, claims etc • Leveraging Big Data • Build sustainable healthcare systems • Collaborate to improve care and outcomes • Increase access to healthcare 21
  22. 22. Market Size Source:WikibonTaming Big Data By 2015 4.4 million IT jobs in Big Data ; 1.9 million is in US itself 22
  23. 23. PotentialTalent Pool -Big Data India will require a minimum of 1 lakh data scientists in the next couple of years in addition to data analysts and data managers to support the Big Data space. 23
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  25. 25. Future of Big Data 25
  26. 26. Big DataAnalyticsTechnologies NoSQL : non-relational or at least non-SQL database solutions such as HBase (also a part of the Hadoop ecosystem), Cassandra, MongoDB, Riak, CouchDB, and many others. Hadoop: It is an ecosystem of software packages, including MapReduce, HDFS, and a whole host of other software packages 26
  27. 27. Main Big DataTechnologies Hadoop NoSQL Databases Analytic Databases Hadoop • Low cost, reliable scale-out architecture • Distributed computing Proven success in Fortune 500 companies • Exploding interest NoSQL Databases • Huge horizontal scaling and high availability • Highly optimized for retrieval and appending • Types • Document stores • Key Value stores • Graph databases Analytic RDBMS • Optimized for bulk-load and fast aggregate query workloads • Types • Column-oriented • MPP • In-memory 27
  28. 28. Thank you  28
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