BrunoGaoandClaude
e402548e45
数据库修复: - t_user_health_data_daily: 添加customer_id字段（租户ID） - t_user_health_data_weekly: 添加customer_id字段（租户ID） ljwx-boot同步更新: - TUserHealthDataDailyMapper.xml: 添加customer_id字段映射 - TUserHealthDataWeeklyMapper.xml: 添加customer_id字段映射 其他改进: - 告警规则缓存优化 - Redis缓存性能提升 - 健康数据处理性能优化 - 添加完整的文档和工具脚本 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <[email protected]>
114 lines
3.7 KiB
SQL
114 lines
3.7 KiB
SQL
-- 数据库索引优化脚本（安全版本）
|
|
-- 先检查索引是否存在，避免重复创建错误
|
|
|
|
USE test;
|
|
|
|
-- =================================
|
|
-- 1. 安全创建索引的存储过程
|
|
-- =================================
|
|
|
|
DELIMITER $$
|
|
|
|
-- 创建安全添加索引的存储过程
|
|
CREATE PROCEDURE AddIndexIfNotExists(
|
|
IN table_name VARCHAR(64),
|
|
IN index_name VARCHAR(64),
|
|
IN column_definition TEXT
|
|
)
|
|
BEGIN
|
|
DECLARE index_exists INT DEFAULT 0;
|
|
|
|
-- 检查索引是否存在
|
|
SELECT COUNT(1) INTO index_exists
|
|
FROM INFORMATION_SCHEMA.STATISTICS
|
|
WHERE TABLE_SCHEMA = DATABASE()
|
|
AND TABLE_NAME = table_name
|
|
AND INDEX_NAME = index_name;
|
|
|
|
-- 如果索引不存在则创建
|
|
IF index_exists = 0 THEN
|
|
SET @sql = CONCAT('CREATE INDEX ', index_name, ' ON ', table_name, '(', column_definition, ')');
|
|
PREPARE stmt FROM @sql;
|
|
EXECUTE stmt;
|
|
DEALLOCATE PREPARE stmt;
|
|
SELECT CONCAT('创建索引: ', index_name) as result;
|
|
ELSE
|
|
SELECT CONCAT('索引已存在: ', index_name) as result;
|
|
END IF;
|
|
END$$
|
|
|
|
DELIMITER ;
|
|
|
|
-- =================================
|
|
-- 2. 执行索引优化
|
|
-- =================================
|
|
|
|
-- 2.1 健康数据表索引优化
|
|
CALL AddIndexIfNotExists('t_user_health_data', 'idx_device_time_optimized', 'device_sn, timestamp DESC');
|
|
CALL AddIndexIfNotExists('t_user_health_data', 'idx_create_time', 'create_time DESC');
|
|
CALL AddIndexIfNotExists('t_user_health_data', 'idx_batch_insert_optimized', 'customer_id, create_time DESC, device_sn');
|
|
|
|
-- 2.2 用户表索引优化
|
|
CALL AddIndexIfNotExists('sys_user', 'idx_status_customer', 'status, customer_id, is_deleted');
|
|
|
|
-- =================================
|
|
-- 3. 数据库参数优化（安全设置）
|
|
-- =================================
|
|
|
|
-- 检查当前设置
|
|
SELECT @@innodb_flush_log_at_trx_commit as current_flush_log_at_trx_commit;
|
|
SELECT @@sync_binlog as current_sync_binlog;
|
|
SELECT @@max_connections as current_max_connections;
|
|
SELECT @@thread_cache_size as current_thread_cache_size;
|
|
|
|
-- 临时优化插入性能（测试期间）
|
|
SET GLOBAL innodb_flush_log_at_trx_commit = 2;
|
|
SET GLOBAL sync_binlog = 0;
|
|
SET GLOBAL max_connections = 1000;
|
|
SET GLOBAL thread_cache_size = 50;
|
|
|
|
-- =================================
|
|
-- 4. 检查优化结果
|
|
-- =================================
|
|
|
|
-- 4.1 显示所有新创建的索引
|
|
SELECT
|
|
TABLE_NAME as '表名',
|
|
INDEX_NAME as '索引名',
|
|
GROUP_CONCAT(COLUMN_NAME ORDER BY SEQ_IN_INDEX) as '索引字段',
|
|
CARDINALITY as '基数',
|
|
INDEX_TYPE as '索引类型'
|
|
FROM INFORMATION_SCHEMA.STATISTICS
|
|
WHERE TABLE_SCHEMA = 'test'
|
|
AND TABLE_NAME IN ('t_user_health_data', 'sys_user')
|
|
AND INDEX_NAME IN (
|
|
'idx_device_time_optimized',
|
|
'idx_create_time',
|
|
'idx_batch_insert_optimized',
|
|
'idx_status_customer'
|
|
)
|
|
GROUP BY TABLE_NAME, INDEX_NAME
|
|
ORDER BY TABLE_NAME, INDEX_NAME;
|
|
|
|
-- 4.2 显示表空间使用情况
|
|
SELECT
|
|
table_name as '表名',
|
|
table_rows as '行数',
|
|
ROUND(((data_length + index_length) / 1024 / 1024), 2) AS "大小(MB)",
|
|
ROUND((index_length / 1024 / 1024), 2) AS "索引大小(MB)",
|
|
ROUND((data_length / 1024 / 1024), 2) AS "数据大小(MB)"
|
|
FROM information_schema.tables
|
|
WHERE table_schema='test'
|
|
AND table_name IN ('t_user_health_data', 'sys_user')
|
|
ORDER BY (data_length + index_length) DESC;
|
|
|
|
-- =================================
|
|
-- 5. 清理存储过程
|
|
-- =================================
|
|
DROP PROCEDURE IF EXISTS AddIndexIfNotExists;
|
|
|
|
-- =================================
|
|
-- 完成提示
|
|
-- =================================
|
|
SELECT '数据库索引优化完成！新索引已安全创建。' as 'OPTIMIZATION_COMPLETE',
|
|
'请重新运行压力测试验证优化效果。' as 'NEXT_STEP'; |