Feature was added in the week before the release. We haven't got a chance to test it in detail. Will try to make it default to true in 1.3.
Thanks Venki On Wed, Oct 14, 2015 at 11:16 PM, Tomer Shiran <[email protected]> wrote: > Why is the Parquet read optimization not on by default? > > Optimizing Reads of Parquet-Backed Tables > > Use the store.hive.optimize_scan_with_native_readers option to optimize > reads of Parquet-backed external tables from Hive. When set to TRUE, this > option uses Drill native readers instead of the Hive Serde interface, > resulting in more performant queries of Parquet-backed external tables. > (Drill 1.2 and later) > > Set the store.hive.optimize_scan_with_native_readers option as described in > the section, "Planning and Execution Options" > <http://kristinehahn.github.io/drill/docs/planning-and-execution-options/ > >. >
