![]() ![]() , DATEDIFF(ms,StartTime, SysDateTime()) AS DurationSeconds , CAST(CAST(a.wait_time_ms - b.wait_time_ms AS FLOAT) / (a.waiting_tasks_count - b.waiting_tasks_count) AS DECIMAL(10,1)) AS AverageDurationMS , a.waiting_tasks_count - b.waiting_tasks_count AS waiting_tasks_diff , (a.wait_time_ms - b.wait_time_ms) - (a.signal_wait_time_ms - b.signal_wait_time_ms) AS ResourceDiff , a.signal_wait_time_ms - b.signal_wait_time_ms AS CPUDiff Wait_type NOT IN ('SLEEP_TASK','BROKER_EVENTHANDLER','XE_DISPATCHER_WAIT','BROKER_RECEIVE_WAITFOR', 'CLR_AUTO_EVENT', 'CLR_MANUAL_EVENT','REQUEST_FOR_DEADLOCK_SEARCH','SQLTRACE_INCREMENTAL_FLUSH_SLEEP','SQLTRACE_BUFFER_FLUSH','LAZYWRITER_SLEEP','XE_TIMER_EVENT','XE_DISPATCHER_WAIT','FT_IFTS_SCHEDULER_IDLE_WAIT','LOGMGR_QUEUE','CHECKPOINT_QUEUE', 'BROKER_TO_FLUSH', 'BROKER_TASK_STOP', 'BROKER_EVENTHANDLER', 'SLEEP_TASK', 'WAITFOR', 'DBMIRROR_DBM_MUTEX', 'DBMIRROR_EVENTS_QUEUE', 'DBMIRRORING_CMD', 'DISPATCHER_QUEUE_SEMAPHORE','BROKER_RECEIVE_WAITFOR', 'CLR_AUTO_EVENT', 'DIRTY_PAGE_POLL', 'HADR_FILESTREAM_IOMGR_IOCOMPLETION', 'ONDEMAND_TASK_QUEUE', 'FT_IFTSHC_MUTEX', 'CLR_MANUAL_EVENT', 'SP_SERVER_DIAGNOSTICS_SLEEP', 'QDS_CLEANUP_STALE_QUERIES_TASK_MAIN_LOOP_SLEEP', 'QDS_PERSIST_TASK_MAIN_LOOP_SLEEP','CLR_SEMAPHORE','DBMIRROR_WORKER_QUEUE','SP_SERVER_DIAGNOSTICS_SLEEP','HADR_CLUSAPI_CALL','HADR_LOGCAPTURE_WAIT','HADR_NOTIFICATION_DEQUEUE','HADR_TIMER_TASK','HADR_WORK_QUEUE','REDO_THREAD_PENDING_WORK','UCS_SESSION_REGISTRATION','BROKER_TRANSMITTER','SLEEP_SYSTEMTASK','QDS_SHUTDOWN_QUEUE') -These are a series of irrelevant wait stats. This script will do just that byĬomparing the DMV to a snapshot of itself from 15 seconds earlier. Numbers from one point in time to another. To get an idea of what is going on right now, you must compare the SQL Server tracks the waits experienced by every process running on the server.Įach wait type starts at 0ms whenever the service is started and counts up from Sys.dm_exec_query_plan (qs.plan_handle) AS qp ,SUBSTRING(st.TEXT, (qs.statement_start_offset/2) + 1,ĮND - qs.statement_start_offset)/2) + 1) StatementText ORDER BY (total_logical_reads + total_physical_reads)/execution_count DESC) , (total_logical_reads + total_physical_reads)/execution_count AvgReads ![]() ![]() , total_elapsed_time/execution_count AvgDuration ![]()
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