zoukankan      html  css  js  c++  java

  • sql查询统计

    SELECT TOP 50
    (select text from sys.dm_exec_sql_text(sql_handle)) as [SQL]
    , CAST( ((qs.total_elapsed_time / 1000000.0)/qs.execution_count) AS DECIMAL(28,2) ) AS [平均消耗秒数]
    , qs.last_execution_time AS [最后执行时间]
    , CAST(qs.last_elapsed_time / 1000000.0 AS DECIMAL(28, 2)) AS [最后完成消耗秒数]
    , CAST(qs.min_elapsed_time / 1000000.0 AS DECIMAL(28, 2)) AS [最小消耗秒数]
    , CAST(qs.max_elapsed_time / 1000000.0 AS DECIMAL(28, 2)) AS [最大消耗秒数]
    , CAST(qs.total_elapsed_time / 1000000.0 AS DECIMAL(28, 2)) AS [总消耗秒数]
    , (qs.execution_count) AS [总执行次数]
    , creation_time AS [编译计划的时间]
    , qs.*
    from sys.dm_exec_query_stats qs
    ORDER BY qs.last_elapsed_time DESC


    https://www.cnblogs.com/Frank99/p/5951118.html

    适应用环境:SQL2008 R2、SQL2012、SQL2014

    [sql] view plaincopy
    --语句1：获取前20逻辑读取次数或逻辑写入次数或CPU 时间
    SELECT TOP 20 SUBSTRING(qt.TEXT, (qs.statement_start_offset/2)+1,
    ((CASE qs.statement_end_offset
    WHEN -1 THEN DATALENGTH(qt.TEXT)
    ELSE qs.statement_end_offset
    END - qs.statement_start_offset)/2)+1),
    qs.execution_count,
    qs.total_logical_reads, qs.last_logical_reads,
    qs.total_logical_writes, qs.last_logical_writes,
    qs.total_worker_time,
    qs.last_worker_time,
    qs.total_elapsed_time/1000000 total_elapsed_time_in_S,
    qs.last_elapsed_time/1000000 last_elapsed_time_in_S,
    qs.last_execution_time,
    qp.query_plan
    FROM sys.dm_exec_query_stats qs
    CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) qt
    CROSS APPLY sys.dm_exec_query_plan(qs.plan_handle) qp
    ORDER BY qs.total_logical_reads DESC -- 逻辑读取次数
    --ORDER BY qs.total_logical_writes DESC -- 逻辑写入次数
    --ORDER BY qs.total_worker_time DESC -- CPU 时间


    --语句2：获取前20执行的 SP 命令的总工作时间 （CPU 压力）
    SELECT TOP 20 qt.text AS 'SP Name', qs.total_worker_time AS 'TotalWorkerTime',
    qs.total_worker_time/qs.execution_count AS 'AvgWorkerTime',
    qs.execution_count AS 'Execution Count',
    ISNULL(qs.execution_count/DATEDIFF(Second, qs.creation_time, GetDate()), 0) AS 'Calls/Second',
    ISNULL(qs.total_elapsed_time/qs.execution_count, 0) AS 'AvgElapsedTime',
    qs.max_logical_reads, qs.max_logical_writes,
    DATEDIFF(Minute, qs.creation_time, GetDate()) AS 'Age in Cache'
    FROM sys.dm_exec_query_stats AS qs
    CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
    WHERE qt.dbid = db_id() -- 当前数据库
    ORDER BY qs.total_worker_time DESC

    --语句3： 获取前20 执行的 SP 命令逻辑写入/分钟
    SELECT TOP 20 qt.text AS 'SP Name', qs.total_logical_writes, qs.total_logical_writes/qs.execution_count AS 'AvgLogicalWrites',
    qs.total_logical_writes/DATEDIFF(Minute, qs.creation_time, GetDate()) AS 'Logical Writes/Min',
    qs.execution_count AS 'Execution Count',
    qs.execution_count/DATEDIFF(Second, qs.creation_time, GetDate()) AS 'Calls/Second',
    qs.total_worker_time/qs.execution_count AS 'AvgWorkerTime',
    qs.total_worker_time AS 'TotalWorkerTime',
    qs.total_elapsed_time/qs.execution_count AS 'AvgElapsedTime',
    qs.max_logical_reads, qs.max_logical_writes, qs.total_physical_reads,
    DATEDIFF(Minute, qs.creation_time, GetDate()) AS 'Age in Cache',
    qs.total_physical_reads/qs.execution_count AS 'Avg Physical Reads', qt.dbid
    FROM sys.dm_exec_query_stats AS qs
    CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
    WHERE qt.dbid = db_id() -- 当前数据库
    ORDER BY qs.total_logical_writes DESC

    --语句4： 获取前20执行的 SP 命令的逻辑读取（内存压力）
    SELECT TOP 20 qt.text AS 'SP Name', total_logical_reads,
    qs.execution_count AS 'Execution Count', total_logical_reads/qs.execution_count AS 'AvgLogicalReads',
    qs.execution_count/DATEDIFF(Second, qs.creation_time, GetDate()) AS 'Calls/Second',
    qs.total_worker_time/qs.execution_count AS 'AvgWorkerTime',
    qs.total_worker_time AS 'TotalWorkerTime',
    qs.total_elapsed_time/qs.execution_count AS 'AvgElapsedTime',
    qs.total_logical_writes,
    qs.max_logical_reads, qs.max_logical_writes, qs.total_physical_reads,
    DATEDIFF(Minute, qs.creation_time, GetDate()) AS 'Age in Cache', qt.dbid
    FROM sys.dm_exec_query_stats AS qs
    CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
    WHERE qt.dbid = db_id() -- 当前数据库
    ORDER BY total_logical_reads DESC

    --语句5： 获取前20执行的 SP 命令由物理读取 （读取 I/O 压力）
    SELECT TOP 20 qt.text AS 'SP Name', qs.total_physical_reads, qs.total_physical_reads/qs.execution_count AS 'Avg Physical Reads',
    qs.execution_count AS 'Execution Count',
    qs.execution_count/DATEDIFF(Second, qs.creation_time, GetDate()) AS 'Calls/Second',
    qs.total_worker_time/qs.execution_count AS 'AvgWorkerTime',
    qs.total_worker_time AS 'TotalWorkerTime',
    qs.total_elapsed_time/qs.execution_count AS 'AvgElapsedTime',
    qs.max_logical_reads, qs.max_logical_writes,
    DATEDIFF(Minute, qs.creation_time, GetDate()) AS 'Age in Cache', qt.dbid
    FROM sys.dm_exec_query_stats AS qs
    CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
    WHERE qt.dbid = db_id() -- 当前数据库
    ORDER BY qs.total_physical_reads DESC

    --语句6： 获取前20执行的 SP 命令执行计数
    SELECT TOP 20 qt.text AS 'SP Name', qs.execution_count AS 'Execution Count',
    qs.execution_count/DATEDIFF(Second, qs.creation_time, GetDate()) AS 'Calls/Second',
    qs.total_worker_time/qs.execution_count AS 'AvgWorkerTime',
    qs.total_worker_time AS 'TotalWorkerTime',
    qs.total_elapsed_time/qs.execution_count AS 'AvgElapsedTime',
    qs.max_logical_reads, qs.max_logical_writes, qs.total_physical_reads,
    DATEDIFF(Minute, qs.creation_time, GetDate()) AS 'Age in Cache'
    FROM sys.dm_exec_query_stats AS qs
    CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
    WHERE qt.dbid = db_id() -- Filter by current database
    ORDER BY qs.execution_count DESC

    查看10秒时间内存储过程执行次数和CPU时间
    [sql] view plaincopy在CODE上查看代码片派生到我的代码片
    SELECT DB_NAME(st.dbid) DBName
    ,OBJECT_SCHEMA_NAME(st.objectid,dbid) SchemaName
    ,OBJECT_NAME(st.objectid,dbid) StoredProcedure
    ,max(cp.usecounts) Execution_count
    ,sum(qs.total_worker_time) total_cpu_time
    ,sum(qs.total_worker_time) / (max(cp.usecounts) * 1.0) avg_cpu_time
    into #temp
    FROM sys.dm_exec_cached_plans cp join sys.dm_exec_query_stats qs on cp.plan_handle = qs.plan_handle
    CROSS APPLY sys.dm_exec_sql_text(cp.plan_handle) st
    where DB_NAME(st.dbid) is not null and cp.objtype = 'proc'
    group by DB_NAME(st.dbid),OBJECT_SCHEMA_NAME(objectid,st.dbid), OBJECT_NAME(objectid,st.dbid)
    order by sum(qs.total_worker_time) desc

    WAITFOR DELAY '00:00:10'

    SELECT DB_NAME(st.dbid) DBName
    ,OBJECT_SCHEMA_NAME(st.objectid,dbid) SchemaName
    ,OBJECT_NAME(st.objectid,dbid) StoredProcedure
    ,max(cp.usecounts) Execution_count
    ,sum(qs.total_worker_time) total_cpu_time
    ,sum(qs.total_worker_time) / (max(cp.usecounts) * 1.0) avg_cpu_time
    into #temp2
    FROM sys.dm_exec_cached_plans cp join sys.dm_exec_query_stats qs on cp.plan_handle = qs.plan_handle
    CROSS APPLY sys.dm_exec_sql_text(cp.plan_handle) st
    where DB_NAME(st.dbid) is not null and cp.objtype = 'proc'
    group by DB_NAME(st.dbid),OBJECT_SCHEMA_NAME(objectid,st.dbid), OBJECT_NAME(objectid,st.dbid)
    order by sum(qs.total_worker_time) desc

    SELECT a.DBNAMe, a.SchemaName, a.StoredProcedure,
    b.Execution_count - a.Execution_count as ExecCnt,
    b.total_cpu_time - a.total_cpu_time as CPU
    FROM #temp a inner join #temp2 b on a.DBName = b.DBname and a.SchemaName = b.SchemaName and a.StoredProcedure = b.StoredProcedure
    ORDER BY 5 desc

    drop table #temp
    drop table #temp2
    　　

    适用环境:SQL2008 R2、SQL2012、SQL2014
    [sql] view plaincopy
    --语句1：获取前20逻辑读取次数或逻辑写入次数或CPU 时间
    SELECT TOP 20 SUBSTRING(qt.TEXT, (qs.statement_start_offset/2)+1,
    ((CASE qs.statement_end_offset
    WHEN -1 THEN DATALENGTH(qt.TEXT)
    ELSE qs.statement_end_offset
    END - qs.statement_start_offset)/2)+1),
    qs.execution_count,
    qs.total_logical_reads, qs.last_logical_reads,
    qs.total_logical_writes, qs.last_logical_writes,
    qs.total_worker_time,
    qs.last_worker_time,
    qs.total_elapsed_time/1000000 total_elapsed_time_in_S,
    qs.last_elapsed_time/1000000 last_elapsed_time_in_S,
    qs.last_execution_time,
    qp.query_plan
    FROM sys.dm_exec_query_stats qs
    CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) qt
    CROSS APPLY sys.dm_exec_query_plan(qs.plan_handle) qp
    ORDER BY qs.total_logical_reads DESC -- 逻辑读取次数
    --ORDER BY qs.total_logical_writes DESC -- 逻辑写入次数
    --ORDER BY qs.total_worker_time DESC -- CPU 时间


    --语句2：获取前20执行的 SP 命令的总工作时间 （CPU 压力）
    SELECT TOP 20 qt.text AS 'SP Name', qs.total_worker_time AS 'TotalWorkerTime',
    qs.total_worker_time/qs.execution_count AS 'AvgWorkerTime',
    qs.execution_count AS 'Execution Count',
    ISNULL(qs.execution_count/DATEDIFF(Second, qs.creation_time, GetDate()), 0) AS 'Calls/Second',
    ISNULL(qs.total_elapsed_time/qs.execution_count, 0) AS 'AvgElapsedTime',
    qs.max_logical_reads, qs.max_logical_writes,
    DATEDIFF(Minute, qs.creation_time, GetDate()) AS 'Age in Cache'
    FROM sys.dm_exec_query_stats AS qs
    CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
    WHERE qt.dbid = db_id() -- 当前数据库
    ORDER BY qs.total_worker_time DESC

    --语句3： 获取前20 执行的 SP 命令逻辑写入/分钟
    SELECT TOP 20 qt.text AS 'SP Name', qs.total_logical_writes, qs.total_logical_writes/qs.execution_count AS 'AvgLogicalWrites',
    qs.total_logical_writes/DATEDIFF(Minute, qs.creation_time, GetDate()) AS 'Logical Writes/Min',
    qs.execution_count AS 'Execution Count',
    qs.execution_count/DATEDIFF(Second, qs.creation_time, GetDate()) AS 'Calls/Second',
    qs.total_worker_time/qs.execution_count AS 'AvgWorkerTime',
    qs.total_worker_time AS 'TotalWorkerTime',
    qs.total_elapsed_time/qs.execution_count AS 'AvgElapsedTime',
    qs.max_logical_reads, qs.max_logical_writes, qs.total_physical_reads,
    DATEDIFF(Minute, qs.creation_time, GetDate()) AS 'Age in Cache',
    qs.total_physical_reads/qs.execution_count AS 'Avg Physical Reads', qt.dbid
    FROM sys.dm_exec_query_stats AS qs
    CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
    WHERE qt.dbid = db_id() -- 当前数据库
    ORDER BY qs.total_logical_writes DESC

    --语句4： 获取前20执行的 SP 命令的逻辑读取（内存压力）
    SELECT TOP 20 qt.text AS 'SP Name', total_logical_reads,
    qs.execution_count AS 'Execution Count', total_logical_reads/qs.execution_count AS 'AvgLogicalReads',
    qs.execution_count/DATEDIFF(Second, qs.creation_time, GetDate()) AS 'Calls/Second',
    qs.total_worker_time/qs.execution_count AS 'AvgWorkerTime',
    qs.total_worker_time AS 'TotalWorkerTime',
    qs.total_elapsed_time/qs.execution_count AS 'AvgElapsedTime',
    qs.total_logical_writes,
    qs.max_logical_reads, qs.max_logical_writes, qs.total_physical_reads,
    DATEDIFF(Minute, qs.creation_time, GetDate()) AS 'Age in Cache', qt.dbid
    FROM sys.dm_exec_query_stats AS qs
    CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
    WHERE qt.dbid = db_id() -- 当前数据库
    ORDER BY total_logical_reads DESC

    --语句5： 获取前20执行的 SP 命令由物理读取 （读取 I/O 压力）
    SELECT TOP 20 qt.text AS 'SP Name', qs.total_physical_reads, qs.total_physical_reads/qs.execution_count AS 'Avg Physical Reads',
    qs.execution_count AS 'Execution Count',
    qs.execution_count/DATEDIFF(Second, qs.creation_time, GetDate()) AS 'Calls/Second',
    qs.total_worker_time/qs.execution_count AS 'AvgWorkerTime',
    qs.total_worker_time AS 'TotalWorkerTime',
    qs.total_elapsed_time/qs.execution_count AS 'AvgElapsedTime',
    qs.max_logical_reads, qs.max_logical_writes,
    DATEDIFF(Minute, qs.creation_time, GetDate()) AS 'Age in Cache', qt.dbid
    FROM sys.dm_exec_query_stats AS qs
    CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
    WHERE qt.dbid = db_id() -- 当前数据库
    ORDER BY qs.total_physical_reads DESC

    --语句6： 获取前20执行的 SP 命令执行计数
    SELECT TOP 20 qt.text AS 'SP Name', qs.execution_count AS 'Execution Count',
    qs.execution_count/DATEDIFF(Second, qs.creation_time, GetDate()) AS 'Calls/Second',
    qs.total_worker_time/qs.execution_count AS 'AvgWorkerTime',
    qs.total_worker_time AS 'TotalWorkerTime',
    qs.total_elapsed_time/qs.execution_count AS 'AvgElapsedTime',
    qs.max_logical_reads, qs.max_logical_writes, qs.total_physical_reads,
    DATEDIFF(Minute, qs.creation_time, GetDate()) AS 'Age in Cache'
    FROM sys.dm_exec_query_stats AS qs
    CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
    WHERE qt.dbid = db_id() -- Filter by current database
    ORDER BY qs.execution_count DESC

    查看10秒时间内存储过程执行次数和CPU时间

    [sql] view plaincopy在CODE上查看代码片派生到我的代码片
    SELECT DB_NAME(st.dbid) DBName
    ,OBJECT_SCHEMA_NAME(st.objectid,dbid) SchemaName
    ,OBJECT_NAME(st.objectid,dbid) StoredProcedure
    ,max(cp.usecounts) Execution_count
    ,sum(qs.total_worker_time) total_cpu_time
    ,sum(qs.total_worker_time) / (max(cp.usecounts) * 1.0) avg_cpu_time
    into #temp
    FROM sys.dm_exec_cached_plans cp join sys.dm_exec_query_stats qs on cp.plan_handle = qs.plan_handle
    CROSS APPLY sys.dm_exec_sql_text(cp.plan_handle) st
    where DB_NAME(st.dbid) is not null and cp.objtype = 'proc'
    group by DB_NAME(st.dbid),OBJECT_SCHEMA_NAME(objectid,st.dbid), OBJECT_NAME(objectid,st.dbid)
    order by sum(qs.total_worker_time) desc

    WAITFOR DELAY '00:00:10'

    SELECT DB_NAME(st.dbid) DBName
    ,OBJECT_SCHEMA_NAME(st.objectid,dbid) SchemaName
    ,OBJECT_NAME(st.objectid,dbid) StoredProcedure
    ,max(cp.usecounts) Execution_count
    ,sum(qs.total_worker_time) total_cpu_time
    ,sum(qs.total_worker_time) / (max(cp.usecounts) * 1.0) avg_cpu_time
    into #temp2
    FROM sys.dm_exec_cached_plans cp join sys.dm_exec_query_stats qs on cp.plan_handle = qs.plan_handle
    CROSS APPLY sys.dm_exec_sql_text(cp.plan_handle) st
    where DB_NAME(st.dbid) is not null and cp.objtype = 'proc'
    group by DB_NAME(st.dbid),OBJECT_SCHEMA_NAME(objectid,st.dbid), OBJECT_NAME(objectid,st.dbid)
    order by sum(qs.total_worker_time) desc

    SELECT a.DBNAMe, a.SchemaName, a.StoredProcedure,
    b.Execution_count - a.Execution_count as ExecCnt,
    b.total_cpu_time - a.total_cpu_time as CPU
    FROM #temp a inner join #temp2 b on a.DBName = b.DBname and a.SchemaName = b.SchemaName and a.StoredProcedure = b.StoredProcedure
    ORDER BY 5 desc

  • 相关阅读:
    路由
    客户端如何调用
    第一个简单的DEMO
    Web API初印象
    项目开发中经常使用的缓存
    EF的Model First
    如何计算代码的运行性能
    使用Obsolete特性来标记方法过时或弃用
    nodeJs实现文件上传，下载，删除
    node 部署教程二
  • 原文地址：https://www.cnblogs.com/sufengsky/p/9839496.html
Copyright © 2011-2022 走看看