[jira] [Created] (FLINK-20850) Analyze whether CoLocationConstraints and CoLocationGroup can be removed

[Shang Yuanchun (Jira)]

Matthias created FLINK-20850:
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             Summary: Analyze whether CoLocationConstraints and CoLocationGroup can be removed
                 Key: FLINK-20850
                 URL: https://issues.apache.org/jira/browse/FLINK-20850
             Project: Flink
          Issue Type: Sub-task
            Reporter: Matthias


It appears that {{CoLocationGroup}} and {{CoLocationContraint}} are not used by {{LocalInputPreferredSlotSharingStrategy}} anymore. Instead, {{CoLocationGroupDesc}} and {{CoLocationContraintDesc}} serve as light-weight versions of these concepts.

Does this mean that we can remove the former ones?



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