[TAJO-589] Add fine grained progress indicator for each task

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.8.0, 0.9.0
• Component/s: QueryMaster, Worker
• Labels: indicator progress
• Assignee: Hyoungjun Kim
• Reporter: Hyoungjun Kim
• Created: 07/Feb/14 06:05
• Updated: 01/Mar/14 05:12
• Resolved: 01/Mar/14 05:04

Description

For profiling and monitoring, we need more informations of a task.

• task progress
• input/output data bytes and number of records
• locality scan rate
• memory usage of sorting or grouping