Chapter 8 Connection Pooling with Connector/J Connection pooling is a technique of creating and managing a pool of connections that are ready for use by any thread that needs them. Connection pooling can greatly
importthreadingimportmysql.connector.poolingfromdjango.confimportsettingsclassLocalStorage(threading.local):def__init__(self): self.conn=NoneclassMySQLConnectionPool:def__init__(self): self.pool=mysql.connector.pooling.MySQLConnectionPool( pool_name='mypool', pool_size=settings.DATABASES['default']['O...
kwargs: Optional additional connection arguments, as described inSection 7.1, “Connector/Python Connection Arguments”. Example: dbconfig={"database":"test","user":"joe",}cnxpool=mysql.connector.pooling.MySQLConnectionPool(pool_name="mypool",pool_size=3,**dbconfig)...
地址', 'port': '数据库端口', 'user': '用户名', 'password': '密码', 'database': '数据库名', 'charset': 'utf8mb4', # 设置字符集 'pool_name': 'my_pool', # 连接池名称 'pool_size': 5, # 连接池大小,即最大连接数 } cnxpool = mysql.connector.pooling.MySQLConnectionPool(**...
import mysql.connector.pooling from django.conf import settings class LocalStorage(threading.local): def __init__(self): self.conn = None class MySQLConnectionPool: def __init__(self): self.pool = mysql.connector.pooling.MySQLConnectionPool( ...
import mysql.connector.pooling db_config = { "host": "localhost", "user": "your_user", "password": "your_password", "database": "your_database", "pool_name": "mypool", "pool_size": 5 # 连接池大小 } try: # 创建连接池 pool = mysql.connector.pooling.MySQLConnectionPool(**db_co...
1. MySQL Connector 1.1 创建连接 import mysql.connector config={ "host":"localhost","port":"3306", "user":"root","password":"password", "database":"demo" } con=mysql.connector.connect(**config) import mysql.connector config={ "host":"localhost","port":"3306", ...
frommysql.connectorimportpooling# 创建连接池dbconfig={"user":"username","password":"password","host":"localhost","database":"database_name"}# 连接池大小为5cnxpool=pooling.MySQLConnectionPool(pool_name="mypool",pool_size=5,**dbconfig)# 从连接池获取连接cnx=cnxpool.get_connection()# 执行查...
import mysql.connector.pooling config = { "host":"localhost", "port": 3306, "user" : "root", "password" : "", "database" : "demo" } try: pool = mysql.connector.pooling.MySQLConnectionPool( **config, pool_size = 10 ) con = pool.get_connection() ...
a given database from a pool of connections, instead of opening a new connection each time the database is accessed. By enabling connection pooling you can improve the overall performance of your application by lowering the time taken to open a connection to a database in the connection pool...