备忘
2016-05-24 10:28
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SELECT TOP 10 [session_id], [request_id], [start_time] AS '开始时间', [status] AS '状态', [command] AS '命令', dest.[text] AS 'sql语句', DB_NAME([database_id]) AS '数据库名', [blocking_session_id] AS '正在阻塞其他会话的会话ID', der.[wait_type] AS '等待资源类型', [wait_time] AS '等待时间', [wait_resource] AS '等待的资源', [dows].[waiting_tasks_count] AS '当前正在进行等待的任务数', [reads] AS '物理读次数', [writes] AS '写次数', [logical_reads] AS '逻辑读次数', [row_count] AS '返回结果行数' FROM sys.[dm_exec_requests] AS der INNER JOIN [sys].[dm_os_wait_stats] AS dows ON der.[wait_type]=[dows].[wait_type] CROSS APPLY sys.[dm_exec_sql_text](der.[sql_handle]) AS dest WHERE [session_id]>50 ORDER BY [cpu_time] DESC获取出执行比较慢的数据
结束进程 kill 进程ID
SELECT TOP 10 [session_id], [request_id], [start_time] AS '开始时间', [status] AS '状态', [command] AS '命令', dest.[text] AS 'sql语句', DB_NAME([database_id]) AS '数据库名', [blocking_session_id] AS '正在阻塞其他会话的会话ID', [wait_type] AS '等待资源类型', [wait_time] AS '等待时间', [wait_resource] AS '等待的资源', [reads] AS '物理读次数', [writes] AS '写次数', [logical_reads] AS '逻辑读次数', [row_count] AS '返回结果行数' FROM sys.[dm_exec_requests] AS der CROSS APPLY sys.[dm_exec_sql_text](der.[sql_handle]) AS dest WHERE [session_id]>50 AND DB_NAME(der.[database_id])='gposdb' ORDER BY [cpu_time] DESC
这个语句选取了前10个最耗CPU时间的会话
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