I just used the tutorial table drivers/timesheets table. SELECT dirverid from drivers; runs fine. It's a small table. But: SELECT DISTINCT driverid from drivers; or SELECT COUNT(*) from drivers; just hangs, never completes. I have to restart HIVE to stop it running. I just use Virtual Box load the downloaded HortonWorks Sandbox 2.6, no configuration changes. It works with HDP 2.5 though.
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