Cloud Computing Other Mapreduce issues. Keke Chen. Outline. MapReduce performance tuning Comparing mapreduce with DBMS Negative arguments from the DB community Experimental study (DB vs. mapreduce). Web interfaces. Tracking mapreduce jobs http://localhost:50030/
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A giant step backward in the programming paradigm for large-scale data intensive applications
A sub-optimal implementation, in that it uses brute force instead of indexing
Not novel at all -- it represents a specific implementation of well known techniques developed nearly 25 years ago
Hadoop is much faster in loading data
Hadoop is the slowest…
Vertica does not support UDF functions; uses a special program