61 lines
1.8 KiB
Transact-SQL
61 lines
1.8 KiB
Transact-SQL
-- SQL Server 性能优化配置
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-- 启用即时文件初始化（需要重启服务）
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EXEC sp_configure 'show advanced options', 1;
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RECONFIGURE;
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EXEC sp_configure 'xp_cmdshell', 1;
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RECONFIGURE;
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PRINT '高级选项已启用';
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-- 配置最大内存使用量（根据容器内存限制调整）
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-- 这里设置为4GB，可以根据实际需要调整
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EXEC sp_configure 'max server memory (MB)', 4096;
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RECONFIGURE;
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PRINT '最大内存设置为 4GB';
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-- 配置最大并行度（根据CPU核心数调整）
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EXEC sp_configure 'max degree of parallelism', 4;
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RECONFIGURE;
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PRINT '最大并行度设置为 4';
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-- 启用查询存储（SQL Server 2016+）
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USE SampleDB;
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GO
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-- 启用查询存储
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ALTER DATABASE SampleDB SET QUERY_STORE = ON;
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ALTER DATABASE SampleDB SET QUERY_STORE (
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OPERATION_MODE = READ_WRITE,
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CLEANUP_POLICY = (STALE_QUERY_THRESHOLD_DAYS = 30),
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DATA_FLUSH_INTERVAL_SECONDS = 900,
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INTERVAL_LENGTH_MINUTES = 60,
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MAX_STORAGE_SIZE_MB = 1000,
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QUERY_CAPTURE_MODE = AUTO,
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SIZE_BASED_CLEANUP_MODE = AUTO
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);
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PRINT '查询存储已启用';
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-- 创建性能监控视图
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USE SampleDB;
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GO
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IF NOT EXISTS (SELECT * FROM sys.views WHERE name = 'PerformanceStats')
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BEGIN
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EXEC('
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CREATE VIEW PerformanceStats AS
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SELECT
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GETDATE() AS CheckTime,
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(SELECT COUNT(*) FROM sys.dm_exec_sessions WHERE is_user_process = 1) AS ActiveConnections,
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(SELECT COUNT(*) FROM sys.dm_exec_requests WHERE status IN (''running'', ''runnable'', ''suspended'')) AS ActiveRequests,
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(SELECT SUM(pages_kb) FROM sys.dm_os_memory_clerks WHERE type = ''MEMORYCLERK_SQLBUFFERPOOL'') / 1024 AS BufferPoolMB
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');
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PRINT '性能监控视图创建成功';
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END
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ELSE
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BEGIN
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PRINT '性能监控视图已存在';
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END
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GO
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PRINT '性能优化配置完成！';
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