Looking at this script: https://github.com/wikimedia/kraken/blob/master/hive/scripts/top_sessions.sql  I see two versions, and I'm guessing you're poking around to see how the optimizer handles that. Did one of them end up being faster?


On Mon, Apr 29, 2013 at 4:31 PM, David Schoonover <dsc@wikimedia.org> wrote:
Over the last week I've created hive tables for many of our larger datasets in Hadoop. Those were used to generate many of the results you've seen in the last few days.

Both the schemas for those tables and the job-scripts can be found in: 
- https://github.com/wikimedia/kraken/tree/master/hive

Questions welcome.
--
David Schoonover

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