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Greg Rahn

Greg Rahn
Director of Product Management, Cloudera

Website | @gregrahn

Greg Rahn is a Solutions Architect in the Partner Engineering group at Cloudera. He focuses on helping Cloudera’s hardware partners optimize their platforms for Hadoop. In addition, he works on performance engineering and benchmarking for the Impala project. Before joining Cloudera, Greg worked for eight years as a database performance engineer at Oracle in the esteemed Real-World Performance Group in the Server Technologies organization.

Sessions

2:35pm–3:05pm Tuesday, 10/29/2013
Office Hour with Greg Rahn
Office Hour Table B
Greg Rahn (Cloudera)
* General questions about Impala * General questions about Parquet's columnar file format * Best practices and performance considerations for Impala * Architectural decisions for Impala Read more.
2:35pm–3:15pm Wednesday, 10/30/2013
Practical Performance Analysis and Tuning for Cloudera Impala
Hadoop Platform Murray Hill Suite
Greg Rahn (Cloudera)
Average rating: ****.
(4.75, 8 ratings)
Impala brings SQL to Hadoop, but it also brings SQL performance tuning to those using the platform. This technical session will cover several topics in Impala performance analysis to aid in answering the question “why is my query slow?” as well as practical tips and techniques to get the best performance from Impala. Read more.

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