1. Abhishek Verma, Saurabh Nangia

3. Google App Engine (April 2008) Microsoft Azure (Oct 2008) Facebook Platform (May 2007) Amazon EC2 (August 2006) Amazon S3 (March 2006) Salesforce AppExchange (March 2006)

5. * From http://en.wikipedia.org/wiki/Hype_cycle Cloud Computing

9. From http://geekandpoke.typepad.com

11. Andrew Pavlo, Erik Paulson, Alexander Rasin, Daniel J. Abadi, David J. DeWitt, Samuel Madden, Michael Stonebraker To appear in SIGMOD ‘09 *Basic ideas from MapReduce - a major step backwards , D. DeWitt and M. Stonebraker

13. Architectural Element Parallel Databases MapReduce Schema Support Structured Unstructured Indexing B-Trees or Hash based None Programming Model Relational Codasyl Data Distribution Projections before aggregation Logic moved to data, but no optimizations Execution Strategy Push Pull Flexibility No, but Ruby on Rails, LINQ Yes Fault Tolerance Transactions have to be restarted in the event of a failure Yes: Replication, Speculative execution

17. SELECT * FROM Data WHERE field LIKE ‘%XYZ%’ ;

18. SELECT pageURL , pageRank FROM Rankings WHERE pageRank > X ;

19. SELECT INTO Temp sourceIP , AVG ( pageRank ) as avgPageRank , SUM ( adRevenue ) as totalRevenue FROM Rankings AS R , UserVisits AS UV WHERE R . pageURL = UV . destURL AND UV . visitDate BETWEEN Date ( ‘2000-01-15’ ) AND Date ( ‘2000-01-22’ ) GROUP BY UV.sourceIP ; SELECT sourceIP , totalRevenue , avgPageRank FROM Temp ORDER BY totalRevenue DESC LIMIT 1 ;

21. Albert Greenberg, James Hamilton, David A. Maltz, Parveen Patel MSR Redmond Presented by: Saurabh Nangia

24. Amortized Costs (one time purchases amortized over reasonable lifetimes, assuming 5% cost of money) 45% 25% 15% 15%

41. *http://perspectives.mvdirona.com/2008/11/28/CostOfPowerInLargeScaleDataCenters.aspx