venkata91 commented on a change in pull request #33034:
URL: https://github.com/apache/spark/pull/33034#discussion_r676934985



##########
File path: 
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/RemoteBlockPushResolver.java
##########
@@ -408,14 +507,24 @@ public MergeStatuses 
finalizeShuffleMerge(FinalizeShuffleMerge msg) throws IOExc
       throw new IllegalArgumentException(
         String.format("The attempt id %s in this FinalizeShuffleMerge message 
does not match "
           + "with the current attempt id %s stored in shuffle service for 
application %s",
-          msg.appAttemptId, appShuffleInfo.attemptId, msg.appId));
+            msg.appAttemptId, appShuffleInfo.attemptId, msg.appId));
+    }
+    Map<Integer, Map<Integer, AppShufflePartitionInfo>> shuffleMergePartitions 
=
+        appShuffleInfo.partitions.get(msg.shuffleId);
+    Map<Integer, AppShufflePartitionInfo> shufflePartitions = 
shuffleMergePartitions.get(msg.shuffleMergeId);
+    if (shufflePartitions == STALE_SHUFFLE_PARTITIONS) {
+      throw new RuntimeException(String.format("Shuffle merge finalize request 
for shuffle %s"
+        + " with shuffleMergeId %s is %s", msg.shuffleId, msg.shuffleMergeId,
+          ErrorHandler.BlockPushErrorHandler.STALE_SHUFFLE_FINALIZE));
+    } else {
+      shuffleMergePartitions.put(msg.shuffleMergeId, 
FINALIZED_SHUFFLE_PARTITIONS);
+      appShuffleInfo.partitions.put(msg.shuffleId, shuffleMergePartitions);
     }
-    Map<Integer, AppShufflePartitionInfo> shufflePartitions =
-      appShuffleInfo.partitions.remove(msg.shuffleId);

Review comment:
       No the idea is to remove older `shuffleMergeId`s, I missed to handle 
that. 




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