aglinxinyuan commented on code in PR #4158:
URL: https://github.com/apache/texera/pull/4158#discussion_r2696517130
##########
amber/src/main/scala/org/apache/texera/amber/engine/architecture/controller/WorkflowScheduler.scala:
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@@ -45,7 +45,7 @@ class WorkflowScheduler(
// CostBasedRegionPlanGenerator considers costs to try to find an
optimal plan.
new CostBasedScheduleGenerator(
workflowContext,
- physicalPlan,
+ physicalPlan.copy(executionMode =
workflowContext.workflowSettings.executionMode),
Review Comment:
I don’t think it’s true that the physical plan will be exactly the same
regardless of how we execute it. If you look at the line 52, `this.physicalPlan
= updatedPhysicalPlan`, the physical plan clearly changes before and after
`CostBasedScheduleGenerator`, so the physical plan changes based on the
execution plan.
We may need input from @Xiao-zhen-Liu to understand why Pasta needs to
modify the physical plan and whether this behavior is intentional.
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