They are comparing an indexed system with one that isn't. Why is Hadoop faster at loading than the others? Surely no one would be surprised that it would be slower - I'm surprised at how well Hadoop does. Who want to write a paper for next year, "grep vs reverse index"?
2009/4/15 Guilherme Germoglio <germog...@gmail.com>: > (Hadoop is used in the benchmarks) > > http://database.cs.brown.edu/sigmod09/ >