wsry commented on a change in pull request #16465:
URL: https://github.com/apache/flink/pull/16465#discussion_r680450890



##########
File path: 
flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/JobMaster.java
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@@ -837,6 +841,18 @@ public void notifyNotEnoughResourcesAvailable(
         }
     }
 
+    @Override
+    public CompletableFuture<?> 
stopTrackingPartitions(Collection<ResultPartitionID> partitionIDS) {
+        CompletableFuture<?> future = new CompletableFuture<>();
+        try {
+            partitionTracker.stopTrackingAndReleasePartitions(partitionIDS);

Review comment:
       I also considered the the potential local resource but we do not have an 
existing method to do that so I chose the stopTrackingAndReleasePartitions 
method. Generally, release an already release external partition is not a big 
issue, I think one choice is to describe this behavior in the java doc. Another 
choice is to add such a method like  
stopTrackingPartitionsAndReleaseLocalResources. Which one do you prefer? Or is 
there any better choice?




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