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The following commit(s) were added to refs/heads/trunk by this push:
     new 8e4c0d0b045 MINOR: Fixed ProducerPerformance still counting successful 
sending when sending failed (#13348)
8e4c0d0b045 is described below

commit 8e4c0d0b04580cde1e15e7b4793bae747d38999c
Author: hudeqi <[email protected]>
AuthorDate: Wed Mar 15 21:30:51 2023 +0800

    MINOR: Fixed ProducerPerformance still counting successful sending when 
sending failed (#13348)
    
    Reviewers: Luke Chen <[email protected]>, Chia-Ping Tsai 
<[email protected]>
---
 .../apache/kafka/tools/ProducerPerformance.java    | 28 +++++++++++---
 .../kafka/tools/ProducerPerformanceTest.java       | 45 ++++++++++++++++++++++
 2 files changed, 67 insertions(+), 6 deletions(-)

diff --git 
a/tools/src/main/java/org/apache/kafka/tools/ProducerPerformance.java 
b/tools/src/main/java/org/apache/kafka/tools/ProducerPerformance.java
index 6774f235114..cf4f2b05514 100644
--- a/tools/src/main/java/org/apache/kafka/tools/ProducerPerformance.java
+++ b/tools/src/main/java/org/apache/kafka/tools/ProducerPerformance.java
@@ -94,7 +94,7 @@ public class ProducerPerformance {
             }
             Random random = new Random(0);
             ProducerRecord<byte[], byte[]> record;
-            Stats stats = new Stats(numRecords, 5000);
+            stats = new Stats(numRecords, 5000);
             long startMs = System.currentTimeMillis();
 
             ThroughputThrottler throttler = new 
ThroughputThrottler(throughput, startMs);
@@ -113,7 +113,7 @@ public class ProducerPerformance {
                 record = new ProducerRecord<>(topicName, payload);
 
                 long sendStartMs = System.currentTimeMillis();
-                Callback cb = stats.nextCompletion(sendStartMs, 
payload.length, stats);
+                cb = stats.nextCompletion(sendStartMs, payload.length);
                 producer.send(record, cb);
 
                 currentTransactionSize++;
@@ -164,6 +164,10 @@ public class ProducerPerformance {
         return new KafkaProducer<>(props);
     }
 
+    Callback cb;
+
+    Stats stats;
+
     static byte[] generateRandomPayload(Integer recordSize, List<byte[]> 
payloadByteList, byte[] payload,
             Random random) {
         if (!payloadByteList.isEmpty()) {
@@ -383,9 +387,16 @@ public class ProducerPerformance {
             }
         }
 
-        public Callback nextCompletion(long start, int bytes, Stats stats) {
-            Callback cb = new PerfCallback(this.iteration, start, bytes, 
stats);
-            this.iteration++;
+        public long totalCount() {
+            return this.count;
+        }
+
+        public long currentWindowCount() {
+            return this.windowCount;
+        }
+
+        public Callback nextCompletion(long start, int bytes) {
+            Callback cb = new PerfCallback(this.iteration, start, bytes, this);
             return cb;
         }
 
@@ -454,7 +465,12 @@ public class ProducerPerformance {
         public void onCompletion(RecordMetadata metadata, Exception exception) 
{
             long now = System.currentTimeMillis();
             int latency = (int) (now - start);
-            this.stats.record(iteration, latency, bytes, now);
+            // It will only be counted when the sending is successful, 
otherwise the number of sent records may be
+            // magically printed when the sending fails.
+            if (exception == null) {
+                this.stats.record(iteration, latency, bytes, now);
+                this.stats.iteration++;
+            }
             if (exception != null)
                 exception.printStackTrace();
         }
diff --git 
a/tools/src/test/java/org/apache/kafka/tools/ProducerPerformanceTest.java 
b/tools/src/test/java/org/apache/kafka/tools/ProducerPerformanceTest.java
index b8adf5d8eb2..aa97e269bb5 100644
--- a/tools/src/test/java/org/apache/kafka/tools/ProducerPerformanceTest.java
+++ b/tools/src/test/java/org/apache/kafka/tools/ProducerPerformanceTest.java
@@ -17,6 +17,7 @@
 package org.apache.kafka.tools;
 
 import org.apache.kafka.clients.producer.KafkaProducer;
+import org.apache.kafka.common.errors.AuthorizationException;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
@@ -42,6 +43,7 @@ import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doAnswer;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
@@ -104,6 +106,49 @@ public class ProducerPerformanceTest {
         verify(producerMock, times(1)).close();
     }
 
+    @Test
+    public void testNumberOfSuccessfulSendAndClose() throws IOException {
+        
doReturn(producerMock).when(producerPerformanceSpy).createKafkaProducer(any(Properties.class));
+        doAnswer(invocation -> {
+            producerPerformanceSpy.cb.onCompletion(null, null);
+            return null;
+        }).when(producerMock).send(any(), any());
+
+        String[] args = new String[] {
+            "--topic", "Hello-Kafka",
+            "--num-records", "10",
+            "--throughput", "1",
+            "--record-size", "100",
+            "--producer-props", "bootstrap.servers=localhost:9000"};
+        producerPerformanceSpy.start(args);
+
+        verify(producerMock, times(10)).send(any(), any());
+        assertEquals(10, producerPerformanceSpy.stats.totalCount());
+        verify(producerMock, times(1)).close();
+    }
+
+    @Test
+    public void testNumberOfFailedSendAndClose() throws IOException {
+        
doReturn(producerMock).when(producerPerformanceSpy).createKafkaProducer(any(Properties.class));
+        doAnswer(invocation -> {
+            producerPerformanceSpy.cb.onCompletion(null, new 
AuthorizationException("not authorized."));
+            return null;
+        }).when(producerMock).send(any(), any());
+
+        String[] args = new String[] {
+            "--topic", "Hello-Kafka",
+            "--num-records", "10",
+            "--throughput", "1",
+            "--record-size", "100",
+            "--producer-props", "bootstrap.servers=localhost:9000"};
+        producerPerformanceSpy.start(args);
+
+        verify(producerMock, times(10)).send(any(), any());
+        assertEquals(0, producerPerformanceSpy.stats.currentWindowCount());
+        assertEquals(0, producerPerformanceSpy.stats.totalCount());
+        verify(producerMock, times(1)).close();
+    }
+
     @Test
     public void testUnexpectedArg() {
         String[] args = new String[] {

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