zhuzhurk commented on code in PR #24771:
URL: https://github.com/apache/flink/pull/24771#discussion_r1615668073


##########
flink-runtime/src/test/java/org/apache/flink/runtime/scheduler/adaptivebatch/BatchJobRecoveryTest.java:
##########
@@ -406,16 +405,16 @@ void 
testJobVertexUnFinishedAndOperatorCoordinatorNotSupportBatchSnapshot() thro
     }
 
     // This case will use job graph with the following topology:
-    // Source (p=5) -- POINTWISE --> Middle (p=5) -- ALLTOALL --> Sink (p=2)
+    // Source (p=5) -- POINTWISE --> Middle (p=5) -- ALLTOALL --> Sink (p=-1)
     //
     // This case will undergo the following stages:
     // 1. All source tasks are finished.
     // The source vertex contains an operator coordinator that does not 
support batch snapshot.
     // 2. JM failover.
     // 3. After the failover, all source tasks are expected to be recovered to 
finished, and their
     // produced partitions should also be restored.
-    // 4. Trigger all middle task running
-    // 5. Trigger the partition consumed by middle task0 to go missing.
+    // 4. Transition all middle task to running
+    // 5. Transition the partition consumed by middle task0 to go missing.

Review Comment:
   Mark the partition consumed by middle task0 as missing.



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