[MESOS-6131] Improved performance for resource flatten

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Resolved
• Fix Version/s: 1.1.0
• Epic Link: Allocator Performance
• Assignee: Guangya Liu
• Reporter: Guangya Liu
• Created: 07/Sep/16 01:35
• Updated: 17/Sep/16 23:22
• Resolved: 17/Sep/16 23:22

Description

The Resources::flatten is using = to add single resource object, but this will impact the performance much as = will invoke resource validation, here we should validate the role first and then call add directly to avoid resource validation.