[IMPALA-4314] Standardize on MT-related data structures in the coordinator and scheduler

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.6.0
• Component/s: Backend
• Assignee: Marcel Kinard
• Reporter: Marcel Kinard
• Created: 18/Oct/16 17:17
• Updated: 05/Nov/16 08:24
• Resolved: 05/Nov/16 08:24

Description

IMPALA-3903 introduced new control data structures to enable coordination and scheduling for multi-threaded execution. However, the old data structures were left in place, so we need to remove them and standardize on the new ones.