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ChangeTracking XE

Adding ChangeTracking XE script to track automatic cleanup
Amit Banerjee 8 年之前
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共有 1 个文件被更改,包括 48 次插入0 次删除
  1. 48 0
      change-tracking/ReadChangeTrackingXEData

+ 48 - 0
change-tracking/ReadChangeTrackingXEData

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+-- Sample script to read data Change Tracking Automatic Cleanup Data using XE "change_tracking_cleanup"
+
+-- Create an XE session to read the 
+CREATE EVENT SESSION [ChangeTracking] ON SERVER 
+ADD EVENT sqlserver.change_tracking_cleanup
+ADD TARGET package0.ring_buffer
+WITH (MAX_MEMORY=4096 KB,EVENT_RETENTION_MODE=ALLOW_SINGLE_EVENT_LOSS,MAX_DISPATCH_LATENCY=30 SECONDS,MAX_EVENT_SIZE=0 KB,MEMORY_PARTITION_MODE=NONE,TRACK_CAUSALITY=OFF,STARTUP_STATE=OFF)
+GO
+
+-- Start the session
+ALTER EVENT SESSION ChangeTracking  
+ON SERVER  
+STATE = start
+
+-- Store the XML data in a temporary table
+SELECT CAST(xet.target_data as xml) as XMLDATA
+INTO #SystemHealthSessionData
+FROM sys.dm_xe_session_targets xet
+JOIN sys.dm_xe_sessions xe
+ON (xe.address = xet.event_session_address)
+WHERE xe.name = 'changetracking' -- ### UPDATE with appropriate change tracking session name ###
+and target_name = 'ring_buffer'
+
+-- Get information about the steps executed by the automatic cleanup
+;WITH CTE_HealthSession (EventXML) AS
+(
+	SELECT C.query('.') EventXML
+	FROM #SystemHealthSessionData a
+	CROSS APPLY a.XMLDATA.nodes('/RingBufferTarget/event') as T(C)
+)
+SELECT 
+	EventXML.value('(/event/@timestamp)[1]', 'datetime') as [Time (UTC)],
+	DB_NAME(EventXML.value('(/event/data[@name = "database_id"]/value)[1]', 'int')) as [Database Name],
+	OBJECT_NAME(EventXML.value('(/event/data[@name = "object_id"]/value)[1]', 'int')) as [Object Name],
+	EventXML.value('(/event/data[@name = "cleanup_id"]/text)[1]', 'varchar(255)') as [Step],
+	EventXML.value('(/event/data[@name = "value"]/value)[1]', 'varchar(255)') as [Value],
+	CASE EventXML.value('(/event/data[@name = "status"]/value)[1]', 'int')
+		WHEN 1 THEN 'Not Initialized'
+		WHEN 2 THEN 'Initialized'
+		WHEN 8 THEN 'In Progress'
+		WHEN 16 THEN 'Finished' 
+		WHEN 32 THEN 'Error'
+		END as [Status]
+FROM CTE_HealthSession
+WHERE EventXML.value('(/event/@name)[1]', 'varchar(255)') = 'change_tracking_cleanup'
+
+-- Drop the temporary table
+DROP TABLE #SystemHealthSessionData