[SPARK-20101] Use OffHeapColumnVector when "spark.sql.columnVector.offheap.enable" is set to "true"

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.3.0
• Component/s: SQL
• Assignee: Kazuaki Ishizaki
• Reporter: Kazuaki Ishizaki
• Created: 26/Mar/17 17:40
• Updated: 22/Nov/17 09:12
• Resolved: 20/Nov/17 11:41

Description

While ColumnVector has two implementations OnHeapColumnVector and OffHeapColumnVector, only OnHeapColumnVector is used.
This JIRA enables to use OffHeapColumnVector when spark.memory.offHeap.enabled is set to true.

Issue Links

• links to: [Github] Pull Request #17436 (kiszk)
• links to: [Github] Pull Request #19794 (kiszk)