[FLINK-1030] Cleanly separate the Instance Management and Resource Assignment

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.6-incubating
• Fix Version/s: 0.7.0-incubating
• Component/s: Runtime / Coordination
• Assignee: Stephan Ewen
• Reporter: Stephan Ewen
• Created: 16/Jul/14 15:56
• Updated: 28/Feb/19 14:01
• Resolved: 21/Sep/14 02:16

Description

Currently, resource assignment is spread between the InstanceManager and the Scheduler.

I propose to make the InstanceManager only responsible for bookkeeping of live and dead workers.

The Scheduler and Instances themselves should be responsible for keeping tabs on allocated resources.