[IMPALA-7207] Make Coordinator ExecState an atomic enum

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 3.1.0
• Fix Version/s: Impala 2.13.0, Impala 3.1.0
• Component/s: Backend, Distributed Exec
• Epic Color: ghx-label-2
• Assignee: Daniel Hecht
• Reporter: Daniel Hecht
• Created: 25/Jun/18 17:50
• Updated: 24/Feb/19 02:41
• Resolved: 26/Jun/18 15:22

Description

Let's make exec_state_ an atomic so that we can read that field alone without holding the exec_state_lock_. That will be a precursor to both IMPALA-6788 and IMPALA-7205.