[SPARK-20136] Add num files and metadata operation timing to scan metrics

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.2.0
• Component/s: SQL
• Assignee: Reynold Xin
• Reporter: Reynold Xin
• Created: 29/Mar/17 07:27
• Updated: 30/Mar/17 02:07
• Resolved: 30/Mar/17 02:07

Description

We currently do not include explicitly metadata operation timing and number of files in data source metrics. Those would be useful to include for performance profiling.

Issue Links

• links to: [Github] Pull Request #17465 (rxin)