diff --git a/pulsar-client-cpp/include/pulsar/ConsumerConfiguration.h b/pulsar-client-cpp/include/pulsar/ConsumerConfiguration.h
index 2cdbf4707061e..70c90cff3d73d 100644
--- a/pulsar-client-cpp/include/pulsar/ConsumerConfiguration.h
+++ b/pulsar-client-cpp/include/pulsar/ConsumerConfiguration.h
@@ -450,11 +450,11 @@ class PULSAR_PUBLIC ConsumerConfiguration {
      * Buffering large number of outstanding uncompleted chunked messages can create memory pressure and it
      * can be guarded by providing this maxPendingChunkedMessage threshold. Once, consumer reaches this
      * threshold, it drops the outstanding unchunked-messages by silently acking or asking broker to redeliver
-     * later by marking it unacked. See setAutoOldestChunkedMessageOnQueueFull.
+     * later by marking it unacked. See setAutoAckOldestChunkedMessageOnQueueFull.
      *
      * If it's zero, the pending chunked messages will not be limited.
      *
-     * Default: 100
+     * Default: 10
      *
      * @param maxPendingChunkedMessage the number of max pending chunked messages
      */
@@ -475,13 +475,13 @@ class PULSAR_PUBLIC ConsumerConfiguration {
      *
      * @param autoAckOldestChunkedMessageOnQueueFull whether to ack the discarded chunked message
      */
-    ConsumerConfiguration& setAutoOldestChunkedMessageOnQueueFull(
+    ConsumerConfiguration& setAutoAckOldestChunkedMessageOnQueueFull(
         bool autoAckOldestChunkedMessageOnQueueFull);
 
     /**
-     * The associated getter of setAutoOldestChunkedMessageOnQueueFull
+     * The associated getter of setAutoAckOldestChunkedMessageOnQueueFull
      */
-    bool isAutoOldestChunkedMessageOnQueueFull() const;
+    bool isAutoAckOldestChunkedMessageOnQueueFull() const;
 
     friend class PulsarWrapper;
 
diff --git a/pulsar-client-cpp/lib/ConsumerConfiguration.cc b/pulsar-client-cpp/lib/ConsumerConfiguration.cc
index d13cb0e0c86b2..b755063d419b1 100644
--- a/pulsar-client-cpp/lib/ConsumerConfiguration.cc
+++ b/pulsar-client-cpp/lib/ConsumerConfiguration.cc
@@ -238,13 +238,13 @@ ConsumerConfiguration& ConsumerConfiguration::setMaxPendingChunkedMessage(size_t
 
 size_t ConsumerConfiguration::getMaxPendingChunkedMessage() const { return impl_->maxPendingChunkedMessage; }
 
-ConsumerConfiguration& ConsumerConfiguration::setAutoOldestChunkedMessageOnQueueFull(
+ConsumerConfiguration& ConsumerConfiguration::setAutoAckOldestChunkedMessageOnQueueFull(
     bool autoAckOldestChunkedMessageOnQueueFull) {
     impl_->autoAckOldestChunkedMessageOnQueueFull = autoAckOldestChunkedMessageOnQueueFull;
     return *this;
 }
 
-bool ConsumerConfiguration::isAutoOldestChunkedMessageOnQueueFull() const {
+bool ConsumerConfiguration::isAutoAckOldestChunkedMessageOnQueueFull() const {
     return impl_->autoAckOldestChunkedMessageOnQueueFull;
 }
 
diff --git a/pulsar-client-cpp/lib/ConsumerConfigurationImpl.h b/pulsar-client-cpp/lib/ConsumerConfigurationImpl.h
index 9c2a4615fef43..1848f2dafad47 100644
--- a/pulsar-client-cpp/lib/ConsumerConfigurationImpl.h
+++ b/pulsar-client-cpp/lib/ConsumerConfigurationImpl.h
@@ -50,7 +50,7 @@ struct ConsumerConfigurationImpl {
     std::map<std::string, std::string> properties;
     int priorityLevel{0};
     KeySharedPolicy keySharedPolicy;
-    size_t maxPendingChunkedMessage{100};
+    size_t maxPendingChunkedMessage{10};
     bool autoAckOldestChunkedMessageOnQueueFull{false};
 };
 }  // namespace pulsar
diff --git a/pulsar-client-cpp/lib/ConsumerImpl.cc b/pulsar-client-cpp/lib/ConsumerImpl.cc
index fa817a094ce24..b5b5ceb046f99 100644
--- a/pulsar-client-cpp/lib/ConsumerImpl.cc
+++ b/pulsar-client-cpp/lib/ConsumerImpl.cc
@@ -65,7 +65,7 @@ ConsumerImpl::ConsumerImpl(const ClientImplPtr client, const std::string& topic,
       readCompacted_(conf.isReadCompacted()),
       startMessageId_(startMessageId),
       maxPendingChunkedMessage_(conf.getMaxPendingChunkedMessage()),
-      autoAckOldestChunkedMessageOnQueueFull_(conf.isAutoOldestChunkedMessageOnQueueFull()) {
+      autoAckOldestChunkedMessageOnQueueFull_(conf.isAutoAckOldestChunkedMessageOnQueueFull()) {
     std::stringstream consumerStrStream;
     consumerStrStream << "[" << topic_ << ", " << subscription_ << ", " << consumerId_ << "] ";
     consumerStr_ = consumerStrStream.str();
diff --git a/pulsar-client-cpp/tests/ConsumerConfigurationTest.cc b/pulsar-client-cpp/tests/ConsumerConfigurationTest.cc
index 57ed0ec7c79c6..fc67e867e3ddb 100644
--- a/pulsar-client-cpp/tests/ConsumerConfigurationTest.cc
+++ b/pulsar-client-cpp/tests/ConsumerConfigurationTest.cc
@@ -59,8 +59,8 @@ TEST(ConsumerConfigurationTest, testDefaultConfig) {
     ASSERT_EQ(conf.isReplicateSubscriptionStateEnabled(), false);
     ASSERT_EQ(conf.getProperties().empty(), true);
     ASSERT_EQ(conf.getPriorityLevel(), 0);
-    ASSERT_EQ(conf.getMaxPendingChunkedMessage(), 100);
-    ASSERT_EQ(conf.isAutoOldestChunkedMessageOnQueueFull(), false);
+    ASSERT_EQ(conf.getMaxPendingChunkedMessage(), 10);
+    ASSERT_EQ(conf.isAutoAckOldestChunkedMessageOnQueueFull(), false);
 }
 
 TEST(ConsumerConfigurationTest, testCustomConfig) {
@@ -145,8 +145,8 @@ TEST(ConsumerConfigurationTest, testCustomConfig) {
     conf.setMaxPendingChunkedMessage(500);
     ASSERT_EQ(conf.getMaxPendingChunkedMessage(), 500);
 
-    conf.setAutoOldestChunkedMessageOnQueueFull(true);
-    ASSERT_TRUE(conf.isAutoOldestChunkedMessageOnQueueFull());
+    conf.setAutoAckOldestChunkedMessageOnQueueFull(true);
+    ASSERT_TRUE(conf.isAutoAckOldestChunkedMessageOnQueueFull());
 }
 
 TEST(ConsumerConfigurationTest, testReadCompactPersistentExclusive) {