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https://issues.apache.org/jira/browse/FLINK-12229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16830143#comment-16830143
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Till Rohrmann commented on FLINK-12229:
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My current take would be to only look at the input result partitions instead of 
the state of the overall {{IntermediateDataSet}}. This could speed up 
deployments. With this in mind, {{ANY}}/{{ALL}} should work also with respect 
to the input result partitions.

At the moment, I would suggest to make the {{SchedulingIntermediateDataSet}} an 
aspect of the {{LazyFromSourcesSchedulingStrategy}} implementation. If we see 
later that more {{SchedulingStrategy}} implementations need this feature, then 
we can make it part of the {{SchedulingTopology}}. Would this work?

> Implement Lazy Scheduling Strategy
> ----------------------------------
>
>                 Key: FLINK-12229
>                 URL: https://issues.apache.org/jira/browse/FLINK-12229
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Coordination
>            Reporter: Gary Yao
>            Assignee: BoWang
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Implement a {{SchedulingStrategy}} that covers the functionality of 
> {{ScheduleMode.LAZY_FROM_SOURCES}}, i.e., vertices are scheduled when all the 
> input data are available.
> Acceptance Criteria:
>  * New strategy is tested in isolation using test implementations (i.e., 
> without having to submit a job)



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