[IMPALA-3903] Scheduler improvements for running multiple fragment instances on a single backend

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Impala 2.6.0
• Component/s: Distributed Exec
• Target Version: Impala 2.8.0
• Assignee: Marcel Kinard
• Reporter: Marcel Kinard
• Created: 23/Jul/16 00:50
• Updated: 07/Oct/16 19:51
• Resolved: 07/Oct/16 19:51

Description

The way the scheduler and coordinator are structured today makes it impossible to run multiple fragment instances on a single backend.