[TAJO-196] Add EngineContext to contain resource information about worker

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Fix Version/s: 0.9.0
• Component/s: Physical Operator, Worker
• Assignee: Unassigned
• Reporter: Hyunsik Choi
• Created: 23/Sep/13 02:23
• Updated: 21/Sep/14 19:25
• Resolved: 21/Sep/14 19:25

Description

Some physical operator algorithms can be even more efficient if they can aware of current resource information like available memory. We need to provide physical operators with some means in order to access available resource information.