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https://issues.apache.org/jira/browse/FLINK-14312?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhu Zhu updated FLINK-14312:
----------------------------
    Description: 
Logical pipelined region partitioning is needed by FLINK-14060 to determine 
{{JobVertex}} slot sharing group.

It would be better if we can leverage 
{{PipelinedRegionComputeUtil#computePipelinedRegions}} to do this. So that we 
do not need to implement a very similar logic twice.
This would require a unification of the interfaces of FailoverTopology and 
JobGraph.

With changes from FLINK-14453, we can build {{LogicalPipelinedRegions}} from 
{{JobGraph}} by:
1. Introduce {{LogicalTopology}}
2. Implement {{DefaultLogicalTopology}} as an adapter of {{JobGraph}} to 
{{LogicalTopology}}
3. Add {{DefaultLogicalTopology#getLogicalPipelinedRegions}} to return the 
logical pipelined regions of a JobGraph

  was:
Logical pipelined region partitioning is needed by FLINK-14060 to determine 
{{JobVertex}} slot sharing group.

It would be better if we can leverage 
{{PipelinedRegionComputeUtil#computePipelinedRegions}} to do this. So that we 
do not need to implement a very similar logic twice.
This would require a unification of the interfaces of FailoverTopology and 
JobGraph.

With changes from FLINK-14453, we can build {{LogicalPipelinedRegions}} from 
{{JobGraph}} by:
1. Introduce {{LogicalTopology}}
2. Implement {{DefaultLogicalTopology}} as an adapter of {{JobGraph}} to 
{{LogicalTopology}}
3. Add {{DefaultLogicalTopology#getLogicalPipelinedTopology}} to return the 
logical pipelined regions of a JobGraph


> Support building logical pipelined regions from JobGraph
> --------------------------------------------------------
>
>                 Key: FLINK-14312
>                 URL: https://issues.apache.org/jira/browse/FLINK-14312
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Coordination
>    Affects Versions: 1.10.0
>            Reporter: Zhu Zhu
>            Assignee: Zhu Zhu
>            Priority: Major
>             Fix For: 1.10.0
>
>
> Logical pipelined region partitioning is needed by FLINK-14060 to determine 
> {{JobVertex}} slot sharing group.
> It would be better if we can leverage 
> {{PipelinedRegionComputeUtil#computePipelinedRegions}} to do this. So that we 
> do not need to implement a very similar logic twice.
> This would require a unification of the interfaces of FailoverTopology and 
> JobGraph.
> With changes from FLINK-14453, we can build {{LogicalPipelinedRegions}} from 
> {{JobGraph}} by:
> 1. Introduce {{LogicalTopology}}
> 2. Implement {{DefaultLogicalTopology}} as an adapter of {{JobGraph}} to 
> {{LogicalTopology}}
> 3. Add {{DefaultLogicalTopology#getLogicalPipelinedRegions}} to return the 
> logical pipelined regions of a JobGraph



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