[TAJO-2112] Improve disk load, when queries run simultaneously

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.12.0
• Component/s: Resource Manager, Scheduler
• Assignee: Jinho Kim
• Reporter: Jinho Kim
• Created: 06/Apr/16 07:15
• Updated: 19/Apr/16 05:32
• Resolved: 19/Apr/16 05:03

Description

Currently, tajo uses tajo.worker.resource.disks for resource scheduler and it effects the read performance of leaf task. but it does not consider to run query simultaneously.
The disk load control should move to worker node instead of scheduler.