rkhachatryan commented on code in PR #23908:
URL: https://github.com/apache/flink/pull/23908#discussion_r1441711155
##########
flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/DefaultExecutionGraphFactory.java:
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@@ -159,6 +160,11 @@ public ExecutionGraph createAndRestoreExecutionGraph(
}
};
+ int totalNumberOfSubTasks =
+ StreamSupport.stream(jobGraph.getVertices().spliterator(),
false)
+ .mapToInt(jobVertex -> jobVertex.getParallelism())
Review Comment:
We need to read the DoP from the store to account for rescaling;
otherwise, on downscaling, we'll get the old (high) DoP and won't report
downscaling:
```suggestion
.mapToInt(
jobVertex ->
vertexParallelismStore
.getParallelismInfo(jobVertex.getID())
.getParallelism())
```
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