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Posted to commits@pulsar.apache.org by ma...@apache.org on 2022/07/02 02:48:17 UTC

[pulsar] branch branch-2.9 updated: Revert "[improve][broker] Optimise msgOutCounter and bytesOutCounter (#16214) (#16286)"

This is an automated email from the ASF dual-hosted git repository.

mattisonchao pushed a commit to branch branch-2.9
in repository https://gitbox.apache.org/repos/asf/pulsar.git


The following commit(s) were added to refs/heads/branch-2.9 by this push:
     new 2bedbab0e6a Revert "[improve][broker] Optimise msgOutCounter and bytesOutCounter (#16214) (#16286)"
2bedbab0e6a is described below

commit 2bedbab0e6a43c893bf64ad1a7ac6988056c340c
Author: mattison chao <ma...@gmail.com>
AuthorDate: Sat Jul 2 10:47:37 2022 +0800

    Revert "[improve][broker] Optimise msgOutCounter and bytesOutCounter (#16214) (#16286)"
    
    This reverts commit 6f12f5ed2ec5ca3c7da74cad02d9d01e1f7d1e66.
---
 .../broker/service/AbstractSubscription.java       | 42 ------------
 .../pulsar/broker/service/AbstractTopic.java       | 17 +----
 .../org/apache/pulsar/broker/service/Consumer.java |  8 ---
 .../nonpersistent/NonPersistentSubscription.java   |  6 +-
 .../service/nonpersistent/NonPersistentTopic.java  |  4 ++
 .../service/persistent/PersistentSubscription.java |  7 +-
 .../broker/service/persistent/PersistentTopic.java |  4 ++
 .../broker/service/AbstractSubscriptionTest.java   | 57 ----------------
 .../pulsar/broker/service/AbstractTopicTest.java   | 75 ---------------------
 .../apache/pulsar/broker/service/ConsumerTest.java | 76 ----------------------
 10 files changed, 19 insertions(+), 277 deletions(-)

diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/AbstractSubscription.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/AbstractSubscription.java
deleted file mode 100644
index 6a386670556..00000000000
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/AbstractSubscription.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.pulsar.broker.service;
-
-import java.util.Optional;
-import java.util.concurrent.atomic.LongAdder;
-import java.util.function.ToLongFunction;
-
-public abstract class AbstractSubscription implements Subscription {
-    protected final LongAdder bytesOutFromRemovedConsumers = new LongAdder();
-    protected final LongAdder msgOutFromRemovedConsumer = new LongAdder();
-
-    public long getMsgOutCounter() {
-        return msgOutFromRemovedConsumer.longValue() + sumConsumers(Consumer::getMsgOutCounter);
-    }
-
-    public long getBytesOutCounter() {
-        return bytesOutFromRemovedConsumers.longValue() + sumConsumers(Consumer::getBytesOutCounter);
-    }
-
-    private long sumConsumers(ToLongFunction<Consumer> toCounter) {
-        return Optional.ofNullable(getDispatcher())
-                .map(dispatcher -> dispatcher.getConsumers().stream().mapToLong(toCounter).sum())
-                .orElse(0L);
-    }
-}
diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/AbstractTopic.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/AbstractTopic.java
index 1307001a720..69c51c77d44 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/AbstractTopic.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/AbstractTopic.java
@@ -33,7 +33,6 @@ import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicLongFieldUpdater;
 import java.util.concurrent.atomic.LongAdder;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
-import java.util.function.ToLongFunction;
 import lombok.Getter;
 import org.apache.bookkeeper.mledger.util.StatsBuckets;
 import org.apache.commons.lang3.tuple.Pair;
@@ -137,9 +136,6 @@ public abstract class AbstractTopic implements Topic {
     private volatile long lastTopicMaxMessageSizeCheckTimeStamp = 0;
     private final long topicMaxMessageSizeCheckIntervalMs;
 
-    protected final LongAdder msgOutFromRemovedSubscriptions = new LongAdder();
-    protected final LongAdder bytesOutFromRemovedSubscriptions = new LongAdder();
-
     public AbstractTopic(String topic, BrokerService brokerService) {
         this.topic = topic;
         this.brokerService = brokerService;
@@ -879,20 +875,11 @@ public abstract class AbstractTopic implements Topic {
     }
 
     public long getMsgOutCounter() {
-        return msgOutFromRemovedSubscriptions.longValue()
-                + sumSubscriptions(AbstractSubscription::getMsgOutCounter);
+        return getStats(false, false).msgOutCounter;
     }
 
     public long getBytesOutCounter() {
-        return bytesOutFromRemovedSubscriptions.longValue()
-                + sumSubscriptions(AbstractSubscription::getBytesOutCounter);
-    }
-
-    private long sumSubscriptions(ToLongFunction<AbstractSubscription> toCounter) {
-        return getSubscriptions().values().stream()
-                .map(AbstractSubscription.class::cast)
-                .mapToLong(toCounter)
-                .sum();
+        return getStats(false, false).bytesOutCounter;
     }
 
     public boolean isDeleteWhileInactive() {
diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/Consumer.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/Consumer.java
index 52a91c5ef3e..2661d29110c 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/Consumer.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/Consumer.java
@@ -780,14 +780,6 @@ public class Consumer {
         return stats;
     }
 
-    public long getMsgOutCounter() {
-        return msgOutCounter.longValue();
-    }
-
-    public long getBytesOutCounter() {
-        return bytesOutCounter.longValue();
-    }
-
     public int getUnackedMessages() {
         return unackedMessages;
     }
diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentSubscription.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentSubscription.java
index 749cade53d6..cb515cdbd97 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentSubscription.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentSubscription.java
@@ -29,7 +29,6 @@ import org.apache.bookkeeper.mledger.Entry;
 import org.apache.bookkeeper.mledger.Position;
 import org.apache.bookkeeper.mledger.impl.PositionImpl;
 import org.apache.pulsar.broker.intercept.BrokerInterceptor;
-import org.apache.pulsar.broker.service.AbstractSubscription;
 import org.apache.pulsar.broker.service.BrokerServiceException;
 import org.apache.pulsar.broker.service.BrokerServiceException.ServerMetadataException;
 import org.apache.pulsar.broker.service.BrokerServiceException.SubscriptionBusyException;
@@ -49,7 +48,7 @@ import org.apache.pulsar.common.util.FutureUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class NonPersistentSubscription extends AbstractSubscription implements Subscription {
+public class NonPersistentSubscription implements Subscription {
     private final NonPersistentTopic topic;
     private volatile NonPersistentDispatcher dispatcher;
     private final String topicName;
@@ -67,6 +66,9 @@ public class NonPersistentSubscription extends AbstractSubscription implements S
     // Timestamp of when this subscription was last seen active
     private volatile long lastActive;
 
+    private final LongAdder bytesOutFromRemovedConsumers = new LongAdder();
+    private final LongAdder msgOutFromRemovedConsumer = new LongAdder();
+
     // If isDurable is false(such as a Reader), remove subscription from topic when closing this subscription.
     private final boolean isDurable;
 
diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentTopic.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentTopic.java
index 0c2823a131a..3846fc129b0 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentTopic.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/nonpersistent/NonPersistentTopic.java
@@ -34,6 +34,7 @@ import java.util.Set;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicLongFieldUpdater;
+import java.util.concurrent.atomic.LongAdder;
 import org.apache.bookkeeper.mledger.Entry;
 import org.apache.bookkeeper.mledger.Position;
 import org.apache.pulsar.broker.PulsarServerException;
@@ -101,6 +102,9 @@ public class NonPersistentTopic extends AbstractTopic implements Topic {
             AtomicLongFieldUpdater.newUpdater(NonPersistentTopic.class, "entriesAddedCounter");
     private volatile long entriesAddedCounter = 0;
 
+    private final LongAdder bytesOutFromRemovedSubscriptions = new LongAdder();
+    private final LongAdder msgOutFromRemovedSubscriptions = new LongAdder();
+
     private static final FastThreadLocal<TopicStats> threadLocalTopicStats = new FastThreadLocal<TopicStats>() {
         @Override
         protected TopicStats initialValue() {
diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentSubscription.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentSubscription.java
index 93ad2e80a64..b119f3ca5d2 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentSubscription.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentSubscription.java
@@ -29,6 +29,7 @@ import java.util.Optional;
 import java.util.TreeMap;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
+import java.util.concurrent.atomic.LongAdder;
 import java.util.stream.Collectors;
 import org.apache.bookkeeper.mledger.AsyncCallbacks;
 import org.apache.bookkeeper.mledger.AsyncCallbacks.ClearBacklogCallback;
@@ -49,7 +50,6 @@ import org.apache.bookkeeper.mledger.impl.PositionImpl;
 import org.apache.commons.lang3.tuple.MutablePair;
 import org.apache.pulsar.broker.ServiceConfiguration;
 import org.apache.pulsar.broker.intercept.BrokerInterceptor;
-import org.apache.pulsar.broker.service.AbstractSubscription;
 import org.apache.pulsar.broker.service.BrokerServiceException;
 import org.apache.pulsar.broker.service.BrokerServiceException.NotAllowedException;
 import org.apache.pulsar.broker.service.BrokerServiceException.ServerMetadataException;
@@ -80,7 +80,7 @@ import org.apache.pulsar.common.util.FutureUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class PersistentSubscription extends AbstractSubscription implements Subscription {
+public class PersistentSubscription implements Subscription {
     protected final PersistentTopic topic;
     protected final ManagedCursor cursor;
     protected volatile Dispatcher dispatcher;
@@ -113,6 +113,9 @@ public class PersistentSubscription extends AbstractSubscription implements Subs
     private volatile ReplicatedSubscriptionSnapshotCache replicatedSubscriptionSnapshotCache;
     private final PendingAckHandle pendingAckHandle;
 
+    private final LongAdder bytesOutFromRemovedConsumers = new LongAdder();
+    private final LongAdder msgOutFromRemovedConsumer = new LongAdder();
+
     static {
         REPLICATED_SUBSCRIPTION_CURSOR_PROPERTIES.put(REPLICATED_SUBSCRIPTION_PROPERTY, 1L);
     }
diff --git a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentTopic.java b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentTopic.java
index 0933df87d87..129333581ba 100644
--- a/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentTopic.java
+++ b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/PersistentTopic.java
@@ -44,6 +44,7 @@ import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.atomic.LongAdder;
 import java.util.function.BiFunction;
 import java.util.stream.Collectors;
 import lombok.Getter;
@@ -221,6 +222,9 @@ public class PersistentTopic extends AbstractTopic
     @Getter
     protected final TransactionBuffer transactionBuffer;
 
+    private final LongAdder bytesOutFromRemovedSubscriptions = new LongAdder();
+    private final LongAdder msgOutFromRemovedSubscriptions = new LongAdder();
+
     // Record the last time a data message (ie: not an internal Pulsar marker) is published on the topic
     private long lastDataMessagePublishedTimestamp = 0;
 
diff --git a/pulsar-broker/src/test/java/org/apache/pulsar/broker/service/AbstractSubscriptionTest.java b/pulsar-broker/src/test/java/org/apache/pulsar/broker/service/AbstractSubscriptionTest.java
deleted file mode 100644
index aaf1f6164a3..00000000000
--- a/pulsar-broker/src/test/java/org/apache/pulsar/broker/service/AbstractSubscriptionTest.java
+++ /dev/null
@@ -1,57 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.pulsar.broker.service;
-
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.when;
-import static org.testng.Assert.assertEquals;
-import java.util.List;
-import org.testng.annotations.BeforeMethod;
-import org.testng.annotations.Test;
-
-@Test(groups = "broker")
-public class AbstractSubscriptionTest {
-    private Consumer consumer;
-    private AbstractSubscription subscription;
-
-    @BeforeMethod
-    public void beforeMethod() {
-        Dispatcher dispatcher = mock(Dispatcher.class);
-        consumer = mock(Consumer.class);
-        subscription = spy(AbstractSubscription.class);
-
-        when(subscription.getDispatcher()).thenReturn(dispatcher);
-        when(dispatcher.getConsumers()).thenReturn(List.of(consumer));
-    }
-
-    @Test
-    public void testGetMsgOutCounter() {
-        subscription.msgOutFromRemovedConsumer.add(1L);
-        when(consumer.getMsgOutCounter()).thenReturn(2L);
-        assertEquals(subscription.getMsgOutCounter(), 3L);
-    }
-
-    @Test
-    public void testGetBytesOutCounter() {
-        subscription.bytesOutFromRemovedConsumers.add(1L);
-        when(consumer.getBytesOutCounter()).thenReturn(2L);
-        assertEquals(subscription.getBytesOutCounter(), 3L);
-    }
-}
diff --git a/pulsar-broker/src/test/java/org/apache/pulsar/broker/service/AbstractTopicTest.java b/pulsar-broker/src/test/java/org/apache/pulsar/broker/service/AbstractTopicTest.java
deleted file mode 100644
index fb7890dc57f..00000000000
--- a/pulsar-broker/src/test/java/org/apache/pulsar/broker/service/AbstractTopicTest.java
+++ /dev/null
@@ -1,75 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.pulsar.broker.service;
-
-import static org.mockito.Mockito.CALLS_REAL_METHODS;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-import static org.mockito.Mockito.withSettings;
-import static org.testng.Assert.assertEquals;
-import org.apache.pulsar.broker.PulsarService;
-import org.apache.pulsar.broker.ServiceConfiguration;
-import org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap;
-import org.testng.annotations.BeforeMethod;
-import org.testng.annotations.Test;
-
-@Test(groups = "broker")
-public class AbstractTopicTest {
-    private AbstractSubscription subscription;
-    private AbstractTopic topic;
-
-    @BeforeMethod
-    public void beforeMethod() {
-        BrokerService brokerService = mock(BrokerService.class);
-        PulsarService pulsarService = mock(PulsarService.class);
-        ServiceConfiguration serviceConfiguration = mock(ServiceConfiguration.class);
-        BacklogQuotaManager backlogQuotaManager = mock(BacklogQuotaManager.class);
-        subscription = mock(AbstractSubscription.class);
-
-        when(brokerService.pulsar()).thenReturn(pulsarService);
-        when(pulsarService.getConfiguration()).thenReturn(serviceConfiguration);
-        when(brokerService.getBacklogQuotaManager()).thenReturn(backlogQuotaManager);
-
-        topic = mock(AbstractTopic.class, withSettings()
-                .useConstructor("topic", brokerService)
-                .defaultAnswer(CALLS_REAL_METHODS));
-
-        ConcurrentOpenHashMap<String, Subscription> subscriptions =
-                ConcurrentOpenHashMap.<String, Subscription>newBuilder()
-                        .expectedItems(16)
-                        .concurrencyLevel(1)
-                        .build();
-        subscriptions.put("subscription", subscription);
-        when(topic.getSubscriptions()).thenAnswer(invocation -> subscriptions);
-    }
-
-    @Test
-    public void testGetMsgOutCounter() {
-        topic.msgOutFromRemovedSubscriptions.add(1L);
-        when(subscription.getMsgOutCounter()).thenReturn(2L);
-        assertEquals(topic.getMsgOutCounter(), 3L);
-    }
-
-    @Test
-    public void testGetBytesOutCounter() {
-        topic.bytesOutFromRemovedSubscriptions.add(1L);
-        when(subscription.getBytesOutCounter()).thenReturn(2L);
-        assertEquals(topic.getBytesOutCounter(), 3L);
-    }
-}
diff --git a/pulsar-broker/src/test/java/org/apache/pulsar/broker/service/ConsumerTest.java b/pulsar-broker/src/test/java/org/apache/pulsar/broker/service/ConsumerTest.java
deleted file mode 100644
index 1ad0642d9c5..00000000000
--- a/pulsar-broker/src/test/java/org/apache/pulsar/broker/service/ConsumerTest.java
+++ /dev/null
@@ -1,76 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.pulsar.broker.service;
-
-import static java.util.Collections.emptyMap;
-import static org.apache.pulsar.client.api.MessageId.latest;
-import static org.apache.pulsar.common.api.proto.CommandSubscribe.SubType.Exclusive;
-import static org.apache.pulsar.common.api.proto.KeySharedMode.AUTO_SPLIT;
-import static org.apache.pulsar.common.protocol.Commands.DEFAULT_CONSUMER_EPOCH;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-import static org.testng.Assert.assertEquals;
-import java.net.SocketAddress;
-import org.apache.pulsar.broker.PulsarService;
-import org.apache.pulsar.broker.ServiceConfiguration;
-import org.apache.pulsar.common.api.proto.KeySharedMeta;
-import org.apache.pulsar.common.policies.data.stats.ConsumerStatsImpl;
-import org.testng.annotations.BeforeMethod;
-import org.testng.annotations.Test;
-
-@Test(groups = "broker")
-public class ConsumerTest {
-    private Consumer consumer;
-    private final ConsumerStatsImpl stats = new ConsumerStatsImpl();
-
-    @BeforeMethod
-    public void beforeMethod() {
-        Subscription subscription = mock(Subscription.class);
-        ServerCnx cnx = mock(ServerCnx.class);
-        SocketAddress address = mock(SocketAddress.class);
-        Topic topic = mock(Topic.class);
-        BrokerService brokerService = mock(BrokerService.class);
-        PulsarService pulsarService = mock(PulsarService.class);
-        ServiceConfiguration serviceConfiguration = mock(ServiceConfiguration.class);
-
-        when(cnx.clientAddress()).thenReturn(address);
-        when(subscription.getTopic()).thenReturn(topic);
-        when(topic.getBrokerService()).thenReturn(brokerService);
-        when(brokerService.getPulsar()).thenReturn(pulsarService);
-        when(pulsarService.getConfiguration()).thenReturn(serviceConfiguration);
-
-        consumer =
-                new Consumer(subscription, Exclusive, "topic", 1, 0, "Cons1", true, cnx, "myrole-1", emptyMap(), false,
-                        new KeySharedMeta().setKeySharedMode(AUTO_SPLIT), latest, DEFAULT_CONSUMER_EPOCH);
-    }
-
-    @Test
-    public void testGetMsgOutCounter() {
-        stats.msgOutCounter = 1L;
-        consumer.updateStats(stats);
-        assertEquals(consumer.getMsgOutCounter(), 1L);
-    }
-
-    @Test
-    public void testGetBytesOutCounter() {
-        stats.bytesOutCounter = 1L;
-        consumer.updateStats(stats);
-        assertEquals(consumer.getBytesOutCounter(), 1L);
-    }
-}