diff --git a/CMakeLists.txt b/CMakeLists.txt
index f50a401..5c46f05 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,6 +38,7 @@ include_directories("${CMAKE_CURRENT_SOURCE_DIR}/common")
 include_directories("${CMAKE_CURRENT_BINARY_DIR}/producer")
 include_directories("${CMAKE_CURRENT_BINARY_DIR}/consumer")
 include_directories("${CMAKE_CURRENT_BINARY_DIR}/sys_admin")
+include_directories("${CMAKE_CURRENT_BINARY_DIR}/test") 
 
 # dmq_grpc_proto library
 add_library(dmq_grpc_proto
@@ -149,5 +150,15 @@ target_link_libraries(sys_admin_client
     sys_admin
 )
 
+# Test executable
+add_executable( performace
+    test/performace.cc
+)
+target_link_libraries (performace
+    producer
+    consumer_group
+    -static-libstdc++ -static-libgcc
+
+)
 # Set compiler flags for position-independent code for building shared libraries
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
diff --git a/test/consumer.h b/test/consumer.h
new file mode 100644
index 0000000..cb75c31
--- /dev/null
+++ b/test/consumer.h
@@ -0,0 +1,28 @@
+#ifndef CONSUMER_H
+#define CONSUMER_H
+
+#include <memory>
+#include <string>
+#include <vector>
+
+struct MessageResponse {
+    std::string key;
+    std::string value;
+    std::string topic;
+    int timestamp;
+};
+
+class Consumer {
+private:
+    class Impl;
+    std::unique_ptr<Impl> impl_;
+    std::string consumer_id;
+
+public:
+    Consumer(const std::vector<std::string> &bootstrap_servers, std::string consumer_id);
+    ~Consumer();
+    std::vector<MessageResponse> ConsumeMessage(std::string group_id, std::string topic, int partition, int offset, int max_messages);
+    std::string get_consumer_id();
+};
+
+#endif // CONSUMER_H
\ No newline at end of file
diff --git a/test/consumer_group.h b/test/consumer_group.h
new file mode 100644
index 0000000..3d55bb6
--- /dev/null
+++ b/test/consumer_group.h
@@ -0,0 +1,36 @@
+#ifndef CONSUMER_GROUP_H
+#define CONSUMER_GROUP_H
+
+#include <memory>
+#include <string>
+#include <vector>
+#include <unordered_map>
+#include "consumer.h"
+
+struct topic_state {
+    std::string topic;
+    int partition;
+    int offset;
+};
+
+class ConsumerGroup {
+private:
+    std::string tag;
+    std::string group_id;
+    std::vector<std::unique_ptr<Consumer>> consumers_;
+    std::unordered_map<std::string, 
+    std::unordered_map<std::string, std::vector<topic_state>>> consumer_topic_state_;
+    std::unordered_map<std::string, std::string> topic_partition_consumer_;
+
+    bool IsTopicConsumed(std::string topic, int partition);
+
+public:
+    ConsumerGroup(std::string tag, std::string group_id);
+    ~ConsumerGroup();
+    bool AddConsumer(const std::vector<std::string>& bootstrap_servers, std::string consumer_id, std::vector<std::string> topics, std::vector<int> partitions, std::vector<int> offsets);
+    bool RemoveConsumer(std::string consumer_id);
+    std::vector<MessageResponse> ConsumeMessage(std::string topic, int partition, int max_messages);
+    void PrintConsumerGroup();
+};
+
+#endif // CONSUMER_GROUP_H
\ No newline at end of file
diff --git a/test/performace.cc b/test/performace.cc
new file mode 100644
index 0000000..4235f02
--- /dev/null
+++ b/test/performace.cc
@@ -0,0 +1,158 @@
+#include <iostream>
+#include <vector>
+#include <string>
+#include <random>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include "producer.h"
+#include "consumer_group.h"
+#include "chrono"
+
+using namespace std;
+
+// Utility function to generate random messages
+string GenerateRandomString(size_t length) {
+    static const string charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
+    random_device rd;
+    mt19937 gen(rd());
+    uniform_int_distribution<> dis(0, charset.size() - 1);
+    string result;
+    for (size_t i = 0; i < length; ++i) {
+        result += charset[dis(gen)];
+    }
+    return result;
+}
+
+// Test case 1: Single Producer, Single Consumer Group
+void TestCase1() {
+    cout << "Running TestCase1: Single Producer, Single Consumer Group" << endl;
+
+    vector<string> bootstrap_servers = {"localhost:8080"};
+    Producer producer(bootstrap_servers, 1000, 500, "producer1");
+    ConsumerGroup consumerGroup("tag1", "group1");
+
+    consumerGroup.AddConsumer(bootstrap_servers, "consumer1", {"test_topic"}, {0}, {0});
+
+    const int totalMessages = 10000;
+    auto startTime = chrono::high_resolution_clock::now();
+
+    // Producer sends messages
+    for (int i = 0; i < totalMessages; ++i) {
+        producer.ProduceMessage("key" + to_string(i), GenerateRandomString(20), "test_topic");
+    }
+
+    // Consumer fetches messages
+    vector<MessageResponse> responses = consumerGroup.ConsumeMessage("test_topic", 0, totalMessages);
+
+    auto endTime = chrono::high_resolution_clock::now();
+    chrono::duration<double> elapsed = endTime - startTime;
+
+    cout << "TestCase1 Results: " << endl;
+    cout << "Total messages: " << totalMessages << endl;
+    cout << "Elapsed time: " << elapsed.count() << " seconds" << endl;
+    cout << "Throughput: " << totalMessages / elapsed.count() << " messages/second" << endl;
+}
+
+// Test case 2: Multiple Producers, Single Consumer Group (Using Processes)
+void TestCase2WithProcesses() {
+    cout << "Running TestCase2: Multiple Producers, Single Consumer Group (Using Processes)" << endl;
+
+    vector<string> bootstrap_servers = {"localhost:8080"};
+    ConsumerGroup consumerGroup("tag2", "group2");
+    consumerGroup.AddConsumer(bootstrap_servers, "consumer1", {"test_topic"}, {0}, {0});
+
+    const int messagesPerProducer = 5000;
+    const int numProducers = 3;
+
+    // Fork processes for producers
+    for (int i = 0; i < numProducers; ++i) {
+        pid_t pid = fork();
+        if (pid == 0) { // Child process
+            Producer producer(bootstrap_servers, 1000, 500, "producer" + to_string(i));
+            for (int j = 0; j < messagesPerProducer; ++j) {
+                producer.ProduceMessage("key" + to_string(i) + "_" + to_string(j),
+                                        GenerateRandomString(20), "test_topic");
+            }
+            exit(0); // Exit the child process
+        } else if (pid < 0) {
+            cerr << "Error forking process for producer " << i << endl;
+            exit(1);
+        }
+    }
+
+    // Wait for all child processes to finish
+    for (int i = 0; i < numProducers; ++i) {
+        int status;
+        wait(&status);
+    }
+
+    // Consumer fetches messages
+    vector<MessageResponse> responses = consumerGroup.ConsumeMessage("test_topic", 0, numProducers * messagesPerProducer);
+
+    cout << "TestCase2 Results: " << endl;
+    cout << "Total messages produced: " << numProducers * messagesPerProducer << endl;
+    cout << "Messages consumed: " << responses.size() << endl;
+}
+
+// Test case 3: High Volume Stress Test (Using Processes)
+void TestCase3WithProcesses() {
+    cout << "Running TestCase3: High Volume Stress Test (Using Processes)" << endl;
+
+    vector<string> bootstrap_servers = {"localhost:8080"};
+    vector<Producer> producers;
+    ConsumerGroup consumerGroup("tag3", "group3");
+
+    // Adding consumers
+    for (int i = 0; i < 5; ++i) {
+        consumerGroup.AddConsumer(bootstrap_servers, "consumer" + to_string(i), {"test_topic"}, {i}, {0});
+    }
+
+    const int messagesPerProducer = 100000;
+    const int numProducers = 10;
+
+    // Fork processes for producers
+    for (int i = 0; i < numProducers; ++i) {
+        pid_t pid = fork();
+        if (pid == 0) { // Child process
+            Producer producer(bootstrap_servers, 1000, 500, "producer" + to_string(i));
+            for (int j = 0; j < messagesPerProducer; ++j) {
+                producer.ProduceMessage("key" + to_string(i) + "_" + to_string(j),
+                                        GenerateRandomString(20), "test_topic");
+            }
+            exit(0); // Exit the child process
+        } else if (pid < 0) {
+            cerr << "Error forking process for producer " << i << endl;
+            exit(1);
+        }
+    }
+
+    // Wait for all child processes to finish
+    for (int i = 0; i < numProducers; ++i) {
+        int status;
+        wait(&status);
+    }
+
+    cout << "All producers completed." << endl;
+
+    // Simulate consumers fetching messages
+    auto startTime = chrono::high_resolution_clock::now();
+
+    vector<MessageResponse> responses = consumerGroup.ConsumeMessage("test_topic", 0, numProducers * messagesPerProducer);
+
+    auto endTime = chrono::high_resolution_clock::now();
+    chrono::duration<double> elapsed = endTime - startTime;
+
+    cout << "TestCase3 Results: " << endl;
+    cout << "Total messages consumed: " << responses.size() << endl;
+    cout << "Elapsed time: " << elapsed.count() << " seconds" << endl;
+    cout << "Throughput: " << (numProducers * messagesPerProducer) / elapsed.count() << " messages/second" << endl;
+}
+
+// Main function to execute all test cases
+int main() {
+    TestCase1();
+    TestCase2WithProcesses();
+    TestCase3WithProcesses();
+    return 0;
+}
diff --git a/test/producer.h b/test/producer.h
new file mode 100644
index 0000000..6856077
--- /dev/null
+++ b/test/producer.h
@@ -0,0 +1,23 @@
+#ifndef MESSAGE_QUEUE_PRODUCER_H
+#define MESSAGE_QUEUE_PRODUCER_H
+
+#include <string>
+#include <vector>
+#include <memory>
+
+class Producer {
+public:
+    // Constructor to initialize producer with bootstrap servers
+    Producer(const std::vector<std::string>& bootstrap_servers, int flush_threshold, int flush_interval_ms, const std::string& producer_id);
+
+    ~Producer(); // Declare the destructor
+
+    // Produces a message to the message queue
+    bool ProduceMessage(const std::string& key, const std::string& value, const std::string& topic);
+
+private:
+    class Impl; // Forward declaration of the implementation class
+    std::unique_ptr<Impl> impl_; // Pointer to the implementation class
+};
+
+#endif // MESSAGE_QUEUE_PRODUCER_H