[SPARK-20134] SQLMetrics.postDriverMetricUpdates to simplify driver side metric updates

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.1.1, 2.2.0
• Component/s: SQL
• Assignee: Reynold Xin
• Reporter: Reynold Xin
• Created: 29/Mar/17 04:53
• Updated: 29/Mar/17 07:02
• Resolved: 29/Mar/17 07:02

Description

It is not super intuitive how to update SQLMetric on the driver side. This patch introduces a new SQLMetrics.postDriverMetricUpdates function to do that, and adds documentation to make it more obvious.

Issue Links

• links to: [Github] Pull Request #17464 (rxin)