[SPARK-3428] TaskMetrics for running tasks is missing GC time metrics

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.1.0
• Fix Version/s: 1.1.2, 1.2.1, 1.3.0
• Component/s: Spark Core
• Assignee: Sandy Ryza
• Reporter: Andrew Ash
• Created: 07/Sep/14 05:34
• Updated: 19/Dec/14 06:41
• Resolved: 19/Dec/14 06:41

Description

SPARK-2099 added the ability to update helpful metrics like shuffle bytes read/written on the webui via a periodic heartbeat from executors. It omitted GC time metrics though.

This ticket is for including GC times in the heartbeats.

See the updateAggregateMetrics method here:
https://github.com/apache/spark/pull/1056/files#diff-1f32bcb61f51133bd0959a4177a066a5R175

Issue Links

• is related to: SPARK-2099 Report TaskMetrics for running tasks
• links to: [Github] Pull Request #3684 (sryza)