zlzhang0122 commented on code in PR #18523:
URL: https://github.com/apache/flink/pull/18523#discussion_r1092862838


##########
flink-runtime/src/main/java/org/apache/flink/runtime/scheduler/DefaultExecutionGraphFactory.java:
##########
@@ -197,9 +199,23 @@ public ExecutionGraph createAndRestoreExecutionGraph(
                 // check whether we can restore from a savepoint
                 tryRestoreExecutionGraphFromSavepoint(
                         newExecutionGraph, 
jobGraph.getSavepointRestoreSettings());
+
+                for (JobVertex jobVertex : jobGraph.getVertices()) {
+                    int maxParallelism =
+                            newExecutionGraph
+                                    .getAllVertices()
+                                    .get(jobVertex.getID())
+                                    .getMaxParallelism();
+
+                    jobVertex.setMaxParallelism(maxParallelism);
+                }
             }
         }
 
+        // set the basic properties
+
+        
newExecutionGraph.setJsonPlan(JsonPlanGenerator.generatePlan(jobGraph));

Review Comment:
   @yuchen-ecnu Maybe we can keep the json plan generation in 
`DefaultExecutionGraphBuilder` and reset here again?I'm not quite sure. WDYT?



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