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https://issues.apache.org/jira/browse/FLINK-13334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16893922#comment-16893922
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TisonKun commented on FLINK-13334:
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Change the purpose of this JIRA into remove the whole legacy slot implement
because legacy slot sharing is used in it and I find we can do it in batch.
> Remove legacy implementation of slot
> ------------------------------------
>
> 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
> Assignee: TisonKun
> Priority: Major
> 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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