[jira] [Created] (FLINK-18620) Unify behaviors of active resource managers

["Xintong Song (Jira)" <ji...@apache.org>]

Xintong Song created FLINK-18620:
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             Summary: Unify behaviors of active resource managers
                 Key: FLINK-18620
                 URL: https://issues.apache.org/jira/browse/FLINK-18620
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Coordination
            Reporter: Xintong Song
            Assignee: Xintong Song


Flink supports various deployment modes: standalone, Kubernetes, Yarn & Mesos. For each deployment mode, a resource manager is implemented for managing the resources.

While StandaloneResourceManager is quite different from the others by not being able to dynamically request and release resources, the other three (KubernetesResourceManager, YarnResourceManager and MesosResourceManager) share many logics in common. These common logics are currently duplicately implemented by each of the active resource managers. Such duplication leads to extra maintaining overhead and amplifies stability risks.

This ticket proposes a refactor design for the resource managers, with better abstraction deduplicating common logics implementations and minimizing the deployment specific behaviors.

This proposal is a pure refactor effort. It does not intend to change any of the current resource management behaviors.

A detailed design doc and a simplified proof-of-concept implementation for the Kubernetes deployment are linked to this ticket.



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