azagrebin commented on a change in pull request #13958:
URL: https://github.com/apache/flink/pull/13958#discussion_r518791192
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/adapter/DefaultExecutionTopology.java
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@@ -91,6 +88,8 @@ public DefaultExecutionTopology(ExecutionGraph graph) {
this.pipelinedRegionsByVertex = new HashMap<>();
this.pipelinedRegions = new ArrayList<>();
initializePipelinedRegions();
+
+ ensureCoLocatedVerticesInSameRegion();
Review comment:
Maybe a side note not for this PR: I would put
`initializePipelinedRegions` and `ensureCoLocatedVerticesInSameRegion` into a
factory method `fromExecutionGraph`.
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