Skip to main content
Make Data Work
Oct 15–17, 2014 • New York, NY
Greg Rahn

Greg Rahn
Director of Product Management, Cloudera

Website | @gregrahn

Greg Rahn has been a performance engineer for over a decade working on both RDBMS and Hadoop SQL engines. He spent eight years running competitive data warehouse benchmarks at Oracle as a member of the esteemed Real-World Performance Group as well as working on Impala while at Cloudera. He now runs SQL benchmarks for fun and education.


2:35pm–3:15pm Friday, 10/17/2014
Office Hour
Location: Table A
Greg Rahn (Cloudera)
Greg is ready to have a chat about open-source SQL on Hadoop, SQL engines for Hadoop (Impala, Hive, Presto, etc.), and good and bad benchmarking practices. Read more.
4:15pm–4:55pm Friday, 10/17/2014
Hadoop Platform
Location: 1 E20/1 E21
Greg Rahn (Cloudera)
Average rating: ****.
(4.80, 5 ratings)
In the last two years we've seen the introduction of several open-source SQL engines for Hadoop. There have been numerous marketing claims around SQL-on-Hadoop performance but what should you believe? How do these different engines compare on functionality? This talk will compare and contrast Hive, Impala, and Presto all from an non-vendor, unsponsored, independent point of view. Read more.