mysql性能测试优化

1.压测工具

MySQL 压测与结果分析_数据库压测报告-CSDN博客

thds: 30 tps: 1145.99 qps: 22943.36 (r/w/o: 16063.50/4585.07/2294.79) lat (ms,95%): 29.72 err/s: 0.00 reconn/s: 0.00

2.代码压测

DROP TABLE IF EXISTS `user_info`;
CREATE TABLE `user_info`  (`id` bigint(20) NOT NULL AUTO_INCREMENT,`name` varchar(32) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,`sex` tinyint(4) NULL DEFAULT NULL,`img` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 17256225 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;SET FOREIGN_KEY_CHECKS = 1;

polardb 4核8G ，插入数据，qps 18000， CPU到100%