[jira] [Created] (FLINK-13334) Remove legacy implementation of slot sharing

[Shang Yuanchun (Jira)]

TisonKun created FLINK-13334:
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             Summary: Remove legacy implementation of slot sharing
                 Key: FLINK-13334
                 URL: https://issues.apache.org/jira/browse/FLINK-13334
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Coordination
    Affects Versions: 1.10.0
            Reporter: TisonKun
             Fix For: 1.10.0


cc [~till.rohrmann] [~srichter]

From my investigation currently Flink use {{SlotSharingManager}} and {{SlotSharingGroupId}} for achieving slot sharing. And thus {{SlotSharingGroupAssignment}} {{SlotSharingGroup}} and {{SharedSlot}} are all legacy concept.

Notice that the ongoing scheduler re-design touches frequently tests based on legacy slot/instance logic or even uses it for testing. I'd like to nudge this process for totally remove legacy code from our code base.

Also I attach a patch on FLINK-12179 that remove {{Instance}}. With current contribution workflow your shepherds are significant :- )




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