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import pymysql
import threading
import time
import random
from concurrent.futures import ThreadPoolExecutor
import statistics
class MySQLBenchmark:
def __init__(self, db_config, num_threads=10):
self.db_config = db_config
self.num_threads = num_threads
self.results = []
self.lock = threading.Lock()
def get_connection(self):
return pymysql.connect(**self.db_config)
def create_test_table(self):
"""创建测试表"""
conn = self.get_connection()
try:
with conn.cursor() as cursor:
cursor.execute("""
CREATE TABLE IF NOT EXISTS benchmark_test (
id INT PRIMARY KEY AUTO_INCREMENT,
name VARCHAR(100) NOT NULL,
value INT NOT NULL,
data TEXT,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
INDEX idx_name (name),
INDEX idx_value (value)
) ENGINE=InnoDB
""")
cursor.execute("DELETE FROM benchmark_test")
test_data = []
for i in range(10000):
test_data.append((
f'test_name_{i}',
random.randint(1, 1000),
f'test_data_{i}' * 10
))
cursor.executemany(
"INSERT INTO benchmark_test (name, value, data) VALUES (%s, %s, %s)",
test_data
)
conn.commit()
print("测试表创建完成，插入10000条测试数据")
finally:
conn.close()
def benchmark_select(self, duration=60):
"""SELECT查询基准测试"""
def worker():
conn = self.get_connection()
start_time = time.time()
query_count = 0
try:
while time.time() - start_time < duration:
with conn.cursor() as cursor:
query_start = time.time()
cursor.execute(
"SELECT * FROM benchmark_test WHERE value = %s LIMIT 10",
(random.randint(1, 1000),)
)
cursor.fetchall()
query_time = time.time() - query_start
with self.lock:
self.results.append(('SELECT', query_time))
query_count += 1
finally:
conn.close()
return query_count
print(f"开始SELECT基准测试 ({duration}秒, {self.num_threads}线程)...")
with ThreadPoolExecutor(max_workers=self.num_threads) as executor:
futures = [executor.submit(worker) for _ in range(self.num_threads)]
total_queries = sum(future.result() for future in futures)
return total_queries
def benchmark_insert(self, duration=60):
"""INSERT基准测试"""
def worker():
conn = self.get_connection()
start_time = time.time()
query_count = 0
try:
while time.time() - start_time < duration:
with conn.cursor() as cursor:
query_start = time.time()
cursor.execute(
"INSERT INTO benchmark_test (name, value, data) VALUES (%s, %s, %s)",
(f'bench_{random.randint(1, 10000)}',
random.randint(1, 1000),
f'benchmark_data_{random.randint(1, 1000)}')
)
conn.commit()
query_time = time.time() - query_start
with self.lock:
self.results.append(('INSERT', query_time))
query_count += 1
finally:
conn.close()
return query_count
print(f"开始INSERT基准测试 ({duration}秒, {self.num_threads}线程)...")
with ThreadPoolExecutor(max_workers=self.num_threads) as executor:
futures = [executor.submit(worker) for _ in range(self.num_threads)]
total_queries = sum(future.result() for future in futures)
return total_queries
def benchmark_update(self, duration=60):
"""UPDATE基准测试"""
def worker():
conn = self.get_connection()
start_time = time.time()
query_count = 0
try:
while time.time() - start_time < duration:
with conn.cursor() as cursor:
query_start = time.time()
cursor.execute(
"UPDATE benchmark_test SET value = %s WHERE id = %s",
(random.randint(1, 1000), random.randint(1, 10000))
)
conn.commit()
query_time = time.time() - query_start
with self.lock:
self.results.append(('UPDATE', query_time))
query_count += 1
finally:
conn.close()
return query_count
print(f"开始UPDATE基准测试 ({duration}秒, {self.num_threads}线程)...")
with ThreadPoolExecutor(max_workers=self.num_threads) as executor:
futures = [executor.submit(worker) for _ in range(self.num_threads)]
total_queries = sum(future.result() for future in futures)
return total_queries
def generate_report(self, test_duration=60):
"""生成性能测试报告"""
print("\n=== MySQL性能基准测试报告 ===")
select_times = [r[1] for r in self.results if r[0] == 'SELECT']
insert_times = [r[1] for r in self.results if r[0] == 'INSERT']
update_times = [r[1] for r in self.results if r[0] == 'UPDATE']
def print_stats(operation, times):
if times:
print(f"\n{operation} 操作统计:")
print(f" 总查询数: {len(times)}")
print(f" QPS: {len(times) / test_duration:.2f}")
print(f" 平均响应时间: {statistics.mean(times)*1000:.2f}ms")
print(f" 中位数响应时间: {statistics.median(times)*1000:.2f}ms")
print(f" 95%响应时间: {sorted(times)[int(len(times)*0.95)]*1000:.2f}ms")
print(f" 最大响应时间: {max(times)*1000:.2f}ms")
print(f" 最小响应时间: {min(times)*1000:.2f}ms")
print_stats('SELECT', select_times)
print_stats('INSERT', insert_times)
print_stats('UPDATE', update_times)
def run_full_benchmark(self, duration=60):
"""运行完整的基准测试"""
self.create_test_table()
self.results = []
select_queries = self.benchmark_select(duration)
self.benchmark_insert(duration // 3)
self.benchmark_update(duration // 3)
self.generate_report(duration)
conn = self.get_connection()
try:
with conn.cursor() as cursor:
cursor.execute("DROP TABLE IF EXISTS benchmark_test")
print("\n测试表已清理")
finally:
conn.close()
if __name__ == "__main__":
db_config = {
'host': 'localhost',
'user': 'test_user',
'password': 'test_pass',
'database': 'test_db',
'charset': 'utf8mb4'
}
benchmark = MySQLBenchmark(db_config, num_threads=16)
benchmark.run_full_benchmark(120)
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