实战:sqlserver2008扩展事件-XML转换为标准的table格式(一)

2015-01-23 22:04:39 · 作者: · 浏览: 9
--如果已经存在Event Session删除  
  
IF EXISTS (SELECT * FROM sys.server_event_sessions WHERE name='MonitorLongQuery')  
DROP EVENT SESSION MonitorLongQuery ON SERVER  
GO   
  
--创建Extended Event session  
  
CREATE EVENT SESSION MonitorLongQuery ON SERVER  
--增加Event(SQL完成事件)  
ADD EVENT sqlserver.sql_statement_completed  
(   
--指定收集的Event信息  
ACTION   
(   
sqlserver.database_id,  
sqlserver.session_id,  
sqlserver.username,  
sqlserver.client_hostname,  
sqlserver.sql_text,  
sqlserver.tsql_stack   
)   
  
--Filter信息(CPU超过或者整个运行时间超过10S)  
  
WHERE sqlserver.sql_statement_completed.cpu> 10000  
OR sqlserver.sql_statement_completed.duration> 10000  
)   
--指定收集的Event信息储存位置(可以存储到内存也可以到文件)  
ADD TARGET package0.asynchronous_file_target  
(   
SET FILENAME = N's:\monitor\LogQuery.xet',  
METADATAFILE = 'S:\monitor\LongQuery.xem'  
)   
GO   
  
SELECT sessions.name AS SessionName,sevents.package as PackageName,  
sevents.name AS EventName,  
sevents.predicate, sactions.name AS ActionName, stargets.name AS TargetName   
FROM sys.server_event_sessions sessions  
INNER JOIN sys.server_event_session_events sevents  
ON sessions.event_session_id= sevents.event_session_id  
INNER JOIN sys.server_event_session_actions sactions  
ON sessions.event_session_id= sactions.event_session_id  
INNER JOIN sys.server_event_session_targets stargets  
ON sessions.event_session_id= stargets.event_session_id  
WHERE sessions.name='MonitorLongQuery'  
GO   
  
  
--启动Event Session捕获数据  
  
ALTER EVENT SESSION MonitorLongQuery   
ON SERVER STATE = START   
GO  
  
--查询  
  
SELECT CAST(event_data AS XML) event_data,*  
FROM sys.fn_xe_file_target_read_file  
  
('s:\monitor\LogQuery_0_129954478780290000.xe
t', 's:\monitor\LongQuery_0_129954478780330000.xem',NULL,NULL) go -停掉Event Session ALTER EVENT SESSION MonitorLongQuery ON SERVER STATE = STOP GO --删除Event Session IF EXISTS(SELECT * FROM sys.server_event_sessions WHERE name='MonitorLongQuery') DROP EVENT SESSION MonitorLongQuery ON SERVER GO ------------将XML转换为常规的表格式 IF EXISTS ( SELECT * FROM tempdb.dbo.sysobjects WHERE id = OBJECT_ID(N'tempdb..#MyData') AND type = 'U' ) DROP TABLE #MyData go CREATE TABLE #MyData ( database_id INT NOT NULL , username NVARCHAR(100) NOT NULL, client_hostname NVARCHAR(100) NOT NULL, sql_text NVARCHAR(MAX) NOT NULL , cpu INT NOT NULL ) go DECLARE @xmlData XML DECLARE @xmlString NVARCHAR(MAX) DECLARE @database_id INT DECLARE @username NVARCHAR(100) DECLARE @client_hostname NVARCHAR(100) DECLARE @sql_text NVARCHAR(MAX) DECLARE @cpu INT DECLARE myCur CURSOR READ_ONLY FOR SELECT TOP 200 event_data --CAST(event_data AS XML) FROM sys.fn_xe_file_target_read_file ('s:\monitor\LogQuery_0_130638808366940000.xet', 's:\monitor\LongQuery_0_130638808366940000.xem',NULL,NULL) OPEN myCur FETCH NEXT FROM myCur INTO @xmlString WHILE @@FETCH_STATUS = 0 BEGIN BEGIN TRY SET @xmlData = CAST(@xmlString AS XML) --set @cpu = 0 --获取cpu SET @cpu = @xmlData.query('//data[@name="cpu"]/value').value('(value)[1]', 'INT') --获取database_id SET @database_id = @xmlData.query('//action[@name="database_id"]/value').value('(value)[1]', 'INT') --获取username SET @username = @xmlData.query('//action[@name="username"]/value').value('(value)[1]',