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MapReduce and Parallel Database Systems: Complementary or Competitive Technology? Daniel Abadi Yale University October 12 th , 2010
Brief History of MapReduce ,[object Object],[object Object],[object Object],[object Object]
 
 
Controversy ,[object Object],[object Object],[object Object],[object Object]
 
SIGMOD 2009 Paper ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hardware Setup ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Join Task
UDF Task DBMS clearly doesn’t scale ,[object Object],[object Object]
Benchmark Conclusions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Overall Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
 
 
 
 
 
We’re all in agreement, right?
But Wait! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
People are using Hadoop as a DW ,[object Object],[object Object],[object Object],[object Object]
Fault Tolerance and Cluster Heterogeneity Results Database systems restart entire query upon a single node failure, and do not adapt if a node is running slowly
So … ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
HadoopDB ,[object Object],[object Object],[object Object]
HadoopDB Architecture
TPC-H Benchmark Results
Fault Tolerance and Cluster Heterogeneity Results
HadoopDB: Current Status ,[object Object],[object Object],[object Object],[object Object],[object Object]
Invisible Loading ,[object Object],[object Object],[object Object],[object Object],[object Object]
Conclusions ,[object Object],[object Object],[object Object]

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Daniel Abadi HadoopWorld 2010