shashankhs11 commented on code in PR #20285:
URL: https://github.com/apache/kafka/pull/20285#discussion_r2418437509


##########
clients/src/main/java/org/apache/kafka/clients/producer/internals/ProduceRequestResult.java:
##########
@@ -129,6 +148,17 @@ public TopicPartition topicPartition() {
      * Has the request completed?
      */
     public boolean completed() {
-        return this.latch.getCount() == 0L;
+        if (this.latch.getCount() != 0L) {
+            return false;
+        }
+        // are all the dependent results completed?
+        synchronized (dependentResults) {

Review Comment:
   @junrao I have a doubt regarding our test expectations:
   
   > verify originalBatch.produceFuture.completed() returns false
   
   This would then return `true`, right? Because `completed()` now would only 
check the latch which is released when the split occurs. So, we would then need 
to verify:
   
   - `originalBatch.produceFuture.completed()` is `true`
   - `future1.isDone()` is `false`
   - `future2.isDone()` is `false`
   
   So, we're testing that individual futures wait for their split batches (via 
chaining), not that the original batch's `completed()` waits for dependents. 
   
   Is my understanding correct?



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