[DRILL-4309] Make this option store.hive.optimize_scan_with_native_readers=true default

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.8.0
• Fix Version/s: Future
• Component/s: Query Planning & Optimization
• Labels: doc-impacting
• Assignee: Unassigned
• Reporter: Sean Hsuan-Yi Chu
• Reviewer: Parth Chandra
• Created: 25/Jan/16 21:48
• Updated: 14/Sep/18 21:28

Description

This new feature has been around and used/tests in many scenarios.

We should enable this feature by default.

Issue Links

• is blocked by: DRILL-4345 Hive Native Reader reporting wrong results for timestamp column in hive generated parquet file
• is blocked by: DRILL-3900 OOM with Hive native scan enabled on TPCH-100 parquet, query 05.q
• is blocked by: DRILL-4324 Hive native reader is slow when the underlying parquet file has more row groups
• relates to: DRILL-3857 Enhance HiveDrillNativeParquetScan and related classes to support multiple formats.
• relates to: DRILL-3856 Enhance Scan costing to include factors other than row count
• relates to: DRILL-4763 Parquet file with DATE logical type produces wrong results for simple SELECT
• links to: GitHub Pull Request #350
• links to: GitHub Pull Request #350
• links to: GitHub Pull Request #625