有两个数据库,AWS RDS 和 Digitalocean 5 美元 VPS。我将相同的 .sql 文件导入到两个数据库中,它们之间的性能差异几乎是 66000%
select count(special_cargo_id) from special_cargos;
AWS RDS 运行时间 = 35.681 秒
在 Mysql 上执行 5$ VPS 耗时 = 0.086 秒
细节:
桌长
1.85GB 行 ~260k
MySQL 版本 8
表引擎 InnoDB
RDS 输出
CREATE TABLE `special_cargos` (
`special_cargo_id` int(11) NOT NULL AUTO_INCREMENT,
`barcode` varchar(20) DEFAULT '',
`salesCode` varchar(15) NOT NULL,
`price` varchar(15) NOT NULL,
`para` varchar(3) DEFAULT NULL,
`postaceki` varchar(25) DEFAULT '',
`iban` varchar(30) DEFAULT NULL,
`send_type` tinyint(1) unsigned NOT NULL,
`customer_id` int(11) NOT NULL,
`address_id` int(11) NOT NULL,
`height` varchar(5) DEFAULT '',
`weight` varchar(5) DEFAULT '',
`width` varchar(5) NOT NULL DEFAULT '',
`desi` varchar(5) DEFAULT '',
`length` varchar(255) DEFAULT '',
`customer_firstname` varchar(32) NOT NULL,
`customer_lastname` varchar(32) NOT NULL,
`customer_company` varchar(40) NOT NULL,
`customer_address` varchar(255) NOT NULL,
`customer_city` int(11) NOT NULL DEFAULT '0',
`customer_city_name` varchar(55) DEFAULT '',
`customer_zone_id` int(11) NOT NULL DEFAULT '0',
`customer_zone_name` varchar(55) DEFAULT '',
`customer_postcode` varchar(10) NOT NULL,
`firstname` varchar(32) NOT NULL,
`lastname` varchar(32) NOT NULL,
`company` varchar(40) DEFAULT '',
`address` varchar(255) NOT NULL,
`country_id` int(5) DEFAULT NULL,
`country_name` varchar(64) DEFAULT NULL,
`city_id` int(11) NOT NULL,
`city_name` varchar(55) NOT NULL,
`district_id` int(11) NOT NULL,
`district_name` varchar(64) NOT NULL,
`email` varchar(96) NOT NULL,
`phone` varchar(55) NOT NULL,
`postcode` varchar(10) DEFAULT '',
`product` text,
`sendText` text,
`returnText` text,
`created_at` datetime DEFAULT NULL,
`updated_at` datetime DEFAULT NULL,
`deleted_at` datetime DEFAULT NULL,
`cargo_firm` tinyint(1) NOT NULL DEFAULT '0',
`ups_barcode_link` text,
`status` tinyint(1) NOT NULL DEFAULT '0',
PRIMARY KEY (`special_cargo_id`),
KEY `customer_id` (`customer_id`),
KEY `special_cargo_id` (`special_cargo_id`),
KEY `barcode` (`barcode`),
KEY `salesCode` (`salesCode`),
KEY `price` (`price`),
KEY `postaceki` (`postaceki`),
KEY `customer_firstname` (`customer_firstname`),
KEY `customer_lastname` (`customer_lastname`),
KEY `firstname` (`firstname`),
KEY `lastname` (`lastname`),
KEY `customer_company` (`customer_company`),
KEY `customer_address` (`customer_address`),
KEY `customer_city_name` (`customer_city_name`),
KEY `customer_zone_name` (`customer_zone_name`),
KEY `company` (`company`),
KEY `address` (`address`),
KEY `city_name` (`city_name`),
KEY `district_name` (`district_name`),
KEY `email` (`email`),
KEY `phone` (`phone`),
KEY `postcode` (`postcode`),
KEY `index_special_cargos` (`special_cargo_id`)
) ENGINE=InnoDB AUTO_INCREMENT=497539 DEFAULT CHARSET=utf8
+-----------------------+----------+
|Variable_name |Value |
+-----------------------+----------+
|innodb_buffer_pool_size|1073741824|
+-----------------------+----------+
+--+-----------+--------------+----------+-----+-------------+-----------+-------+----+------+--------+-----------+
|id|select_type|table |partitions|type |possible_keys|key |key_len|ref |rows |filtered|Extra |
+--+-----------+--------------+----------+-----+-------------+-----------+-------+----+------+--------+-----------+
|1 |SIMPLE |special_cargos|NULL |index|NULL |customer_id|4 |NULL|146973|100 |Using index|
+--+-----------+--------------+----------+-----+-------------+-----------+-------+----+------+--------+-----------+
MYSQL 输出上的简单 VPS
CREATE TABLE `special_cargos` (
`special_cargo_id` int(11) NOT NULL AUTO_INCREMENT,
`barcode` varchar(20) NOT NULL,
`salesCode` varchar(15) NOT NULL,
`price` varchar(15) NOT NULL,
`para` varchar(3) DEFAULT NULL,
`postaceki` varchar(25) NOT NULL,
`iban` varchar(30) DEFAULT NULL,
`send_type` tinyint(1) unsigned NOT NULL,
`customer_id` int(11) NOT NULL,
`address_id` int(11) NOT NULL,
`height` varchar(5) NOT NULL,
`weight` varchar(5) NOT NULL,
`width` varchar(5) NOT NULL,
`desi` varchar(5) NOT NULL,
`length` varchar(255) NOT NULL,
`customer_firstname` varchar(32) NOT NULL,
`customer_lastname` varchar(32) NOT NULL,
`customer_company` varchar(40) NOT NULL,
`customer_address` varchar(255) NOT NULL,
`customer_city` int(11) NOT NULL,
`customer_city_name` varchar(55) NOT NULL,
`customer_zone_id` int(11) NOT NULL,
`customer_zone_name` varchar(55) NOT NULL,
`customer_postcode` varchar(10) NOT NULL,
`firstname` varchar(32) NOT NULL,
`lastname` varchar(32) NOT NULL,
`company` varchar(40) NOT NULL,
`address` varchar(255) NOT NULL,
`country_id` int(5) DEFAULT NULL,
`country_name` varchar(64) DEFAULT NULL,
`city_id` int(11) NOT NULL,
`city_name` varchar(55) NOT NULL,
`district_id` int(11) NOT NULL,
`district_name` varchar(64) NOT NULL,
`email` varchar(96) NOT NULL,
`phone` varchar(55) NOT NULL,
`postcode` varchar(10) NOT NULL,
`product` text,
`sendText` text NOT NULL,
`returnText` text NOT NULL,
`created_at` datetime NOT NULL,
`updated_at` datetime NOT NULL,
`deleted_at` datetime DEFAULT NULL,
`cargo_firm` int(1) NOT NULL DEFAULT '0',
`ups_barcode_link` text,
`status` int(1) NOT NULL DEFAULT '0',
PRIMARY KEY (`special_cargo_id`),
KEY `customer_id` (`customer_id`),
KEY `special_cargo_id` (`special_cargo_id`),
KEY `barcode` (`barcode`),
KEY `salesCode` (`salesCode`),
KEY `price` (`price`),
KEY `postaceki` (`postaceki`),
KEY `customer_firstname` (`customer_firstname`),
KEY `customer_lastname` (`customer_lastname`),
KEY `firstname` (`firstname`),
KEY `lastname` (`lastname`),
KEY `customer_company` (`customer_company`),
KEY `customer_address` (`customer_address`),
KEY `customer_city_name` (`customer_city_name`),
KEY `customer_zone_name` (`customer_zone_name`),
KEY `company` (`company`),
KEY `address` (`address`),
KEY `city_name` (`city_name`),
KEY `district_name` (`district_name`),
KEY `email` (`email`),
KEY `phone` (`phone`),
KEY `postcode` (`postcode`)
) ENGINE=InnoDB AUTO_INCREMENT=497037 DEFAULT CHARSET=utf8
+-----------------------+---------+
|Variable_name |Value |
+-----------------------+---------+
|innodb_buffer_pool_size|134217728|
+-----------------------+---------+
+--+-----------+--------------+----------+-----+-------------+-----------+-------+----+------+--------+-----------+
|id|select_type|table |partitions|type |possible_keys|key |key_len|ref |rows |filtered|Extra |
+--+-----------+--------------+----------+-----+-------------+-----------+-------+----+------+--------+-----------+
|1 |SIMPLE |special_cargos|NULL |index|NULL |customer_id|4 |NULL|133967|100 |Using index|
+--+-----------+--------------+----------+-----+-------------+-----------+-------+----+------+--------+-----------+