[SPARK-968] In stage UI, add an overview section that shows task stats grouped by executor id

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.9.0
• Labels: starter
• Assignee: Wangda Tan
• Reporter: Reynold Xin
• Created: 28/Nov/13 20:50
• Updated: 02/Mar/14 17:49
• Resolved: 02/Mar/14 17:49

Description

It would be very useful in the stage ui to show aggregated task information similar in semantics to the following SQL:

SELECT sum(duration), count(tasks) count(failed tasks), count(succeeded tasks), sum(shuffle read), sum(shuffle write) FROM tasks GROUP BY executorId