Myracle commented on code in PR #21347:
URL: https://github.com/apache/flink/pull/21347#discussion_r1053283384


##########
flink-runtime/src/main/java/org/apache/flink/runtime/minicluster/MiniCluster.java:
##########
@@ -1344,6 +1344,13 @@ public CompletableFuture<Set<AbstractID>> 
listCompletedClusterDatasetIds() {
                                         metaInfoMap -> new 
HashSet<>(metaInfoMap.keySet())));
     }
 
+    public CompletableFuture<Void> reportHeartbeat(JobID jobId, long 
expiredTimestamp) {
+        return runDispatcherCommand(
+                dispatcherGateway ->
+                        dispatcherGateway.reportJobClientHeartbeat(
+                                jobId, expiredTimestamp, rpcTimeout));
+    }

Review Comment:
   The client's heartbeat will only be sent when the configs execution.attached 
and execution.shutdown-on-attached-exit are both true. So it is not used in 
MiniCluster at most time. It's easier to write tests in this way.  Also, we can 
keep consistent with other cluster modes. Do you still think that we should 
remove it in mimi cluster?



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