[KYLIN-3006] Upgrade Spark to 2.1.2

• Type: Improvement
• Status: Closed
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: v2.3.0
• Component/s: Spark Engine
• Assignee: Shao Feng Shi
• Reporter: Shao Feng Shi
• Created: 04/Nov/17 09:56
• Updated: 02/Apr/18 13:42
• Resolved: 22/Nov/17 06:18

Description

Spark 2.1.2 is released in last month, strongly recommend all 2.1.x users to upgrade to this stable release.

Besides, Kylin should use Spark for Hadoop 2.7, instead of Hadoop 2.6, be consistent with the version in Kylin's pom.xml