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XE_11_Filegrowth_Setup.sql
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186 lines (162 loc) · 7.26 KB
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/*
Find Events that might teach us about file size changes on the instance
*/
SELECT c.object_name as EventName,p.name as PackageName,o.description as EventDescription
FROM sys.dm_xe_objects o
INNER JOIN sys.dm_xe_object_columns c
ON o.name = c.object_name
and o.package_guid = c.object_package_guid
INNER JOIN sys.dm_xe_packages p
on o.package_guid = p.guid
WHERE object_type='event'
AND c.name = 'channel'
AND (c.object_name like '%file_size%'
or c.object_name like '%growth%')
Order By o.package_guid;
/* events
databases_data_file_size_changed
databases_log_file_size_changed
databases_log_growth
*/
/* Let's take a look at the columns available for each of the events picked out
*/
SELECT * FROM sys.dm_xe_object_columns
WHERE object_name = 'databases_data_file_size_changed'
AND column_type != 'readonly';
SELECT * FROM sys.dm_xe_object_columns
WHERE object_name = 'databases_log_file_size_changed'
AND column_type != 'readonly';
SELECT * FROM sys.dm_xe_object_columns
WHERE object_name = 'databases_log_growth'
AND column_type != 'readonly';
/*
Time to build a session
*/
select database_id
From sys.databases
where name = 'sandbox'
CREATE EVENT SESSION [TrackDBFileChange] ON SERVER
ADD EVENT sqlserver.databases_data_file_size_changed(
ACTION(sqlserver.session_id,sqlserver.database_id
,sqlserver.client_hostname,
sqlserver.sql_text)
--WHERE (sqlserver.database_id = 8)
)
,ADD EVENT sqlserver.databases_log_file_size_changed(
ACTION(sqlserver.session_id,sqlserver.database_id
,sqlserver.client_hostname,
sqlserver.sql_text)
-- WHERE (sqlserver.database_id = 8)
)
--,ADD EVENT sqlserver.databases_log_growth(
-- ACTION(sqlserver.session_id,sqlserver.database_name,sqlserver.client_hostname,
-- sqlserver.sql_text)
-- -- WHERE (sqlserver.database_id = 8)
-- )
ADD TARGET package0.asynchronous_file_target(
SET filename='C:\XE\DBFileSizeChange.xel',max_file_size = 5,max_rollover_files = 4
,metadatafile='C:\XE\DBFileSizeChange.xem') --if the path does not exist, a nasty error will be thrown
,
ADD TARGET package0.ring_buffer -- Store events in the ring buffer target
(SET max_memory = 4096)
WITH (MAX_MEMORY = 4MB, EVENT_RETENTION_MODE = ALLOW_SINGLE_EVENT_LOSS, TRACK_CAUSALITY = ON, MAX_DISPATCH_LATENCY = 1 SECONDS,startup_state = ON)
GO
ALTER EVENT SESSION TrackDBFileChange
ON SERVER
STATE = START;
GO
ALTER EVENT SESSION TrackDBFileChange
ON SERVER
STATE = STOP;
GO
DROP EVENT SESSION TrackDBFileChange
ON SERVER
GO
CREATE EVENT SESSION [TrackDBFileChange12] ON SERVER
ADD EVENT sqlserver.database_file_size_change(
ACTION(sqlserver.session_id,sqlserver.database_name,sqlserver.client_hostname,
sqlserver.sql_text)
--WHERE (sqlserver.database_id = 8)
)
,ADD EVENT sqlserver.databases_log_growth(
ACTION(sqlserver.session_id,sqlserver.database_name,sqlserver.client_hostname,
sqlserver.sql_text)
-- WHERE (sqlserver.database_id = 8)
)
ADD TARGET package0.asynchronous_file_target(
SET filename='C:\XE\DBFileSizeChange12.xel',max_file_size = 5,max_rollover_files = 4
,metadatafile='C:\XE\DBFileSizeChange12.xem')
,
ADD TARGET package0.ring_buffer -- Store events in the ring buffer target
(SET max_memory = 4096)
WITH (MAX_MEMORY = 4MB, EVENT_RETENTION_MODE = ALLOW_SINGLE_EVENT_LOSS, TRACK_CAUSALITY = ON, MAX_DISPATCH_LATENCY = 1 SECONDS,startup_state = ON)
GO
ALTER EVENT SESSION TrackDBFileChange12
ON SERVER
STATE = START;
GO
ALTER EVENT SESSION TrackDBFileChange12
ON SERVER
STATE = STOP;
GO
DROP EVENT SESSION TrackDBFileChange12
ON SERVER
GO
/* Query the XE */
SELECT
event_data.value('(event/@name)[1]', 'varchar(50)') AS event_name
,event_data.value('(event/@timestamp)[1]','varchar(max)') as timestamp
,event_data.value('(event/data[@name="count"]/value)[1]', 'bigint') AS TraceFlag
,event_data.value('(event/data[@name="increment"]/value)[1]', 'bigint') AS FlagType
,event_data.value('(event/action[@name="sql_text"]/value)[1]', 'varchar(max)') AS sql_text
,event_data.value('(event/action[@name="database_name"]/value)[1]', 'varchar(max)') AS DBQueryExecutedFrom
,db_name(event_data.value('(event/data[@name="database_id"]/value)[1]','int')) as DBNamethatShrunk
,event_data.value('(event/action[@name="client_hostname"]/value)[1]', 'varchar(max)') AS ClientHost
,event_data.value('(event/action[@name="session_id"]/value)[1]', 'varchar(max)') AS session_id
FROM( SELECT evnt.query('.') AS event_data
FROM
(SELECT CAST(event_data AS xml) AS TargetData
FROM sys.fn_xe_file_target_read_file('C:\XE\DBFileSizeChange*.xel','C:\XE\DBFileSizeChange*.xem',NULL, NULL)
) AS tab
CROSS APPLY TargetData.nodes ('RingBufferTarget/event') AS split(evnt)
) AS evts(event_data)
WHERE event_data.value('(event/@name)[1]', 'varchar(50)') = 'databases_log_file_size_changed'
or event_data.value('(event/@name)[1]', 'varchar(50)') = 'databases_data_file_size_changed'
or event_data.value('(event/@name)[1]', 'varchar(50)') = 'databases_log_growth'
ORDER BY timestamp asc;
SELECT CAST(target_data AS xml) AS TargetData
FROM sys.dm_xe_sessions AS s
INNER JOIN sys.dm_xe_session_targets AS t
ON s.address = t.event_session_address
WHERE s.name = 'TrackDBFileChange'
AND t.target_name = 'ring_buffer'
/* XE 2012 */
SELECT * FROM sys.dm_xe_object_columns
WHERE object_name = 'database_file_size_change'
AND column_type != 'readonly';
SELECT
event_data.value('(event/@name)[1]', 'varchar(50)') AS event_name
,event_data.value('(event/@timestamp)[1]','varchar(max)') as timestamp
,event_data.value('(event/data[@name="size_change_kb"]/value)[1]', 'bigint') AS SizeChangeKb
,event_data.value('(event/data[@name="total_size_kb"]/value)[1]', 'bigint') AS TotalSizeKb
,event_data.value('(event/data[@name="duration"]/value)[1]', 'bigint') AS Duration_ms
,event_data.value('(event/data[@name="is_automatic"]/value)[1]', 'varchar(20)') AS AutoChangeEvent
,event_data.value('(event/action[@name="sql_text"]/value)[1]', 'varchar(max)') AS sql_text
,event_data.value('(event/action[@name="database_name"]/value)[1]', 'varchar(max)') AS DBQueryExecutedFrom
,db_name(event_data.value('(event/data[@name="database_id"]/value)[1]','int')) as AffectedDB
,event_data.value('(event/data[@name="file_name"]/value)[1]','varchar(max)') as AffectedFile
,event_data.value('(event/data[@name="file_type"]/text)[1]','varchar(max)') as FileType
,event_data.value('(event/action[@name="client_hostname"]/value)[1]', 'varchar(max)') AS ClientHost
,event_data.value('(event/action[@name="session_id"]/value)[1]', 'varchar(max)') AS session_id
FROM( SELECT CAST(event_data AS xml) AS TargetData
FROM sys.fn_xe_file_target_read_file('C:\XE\DBFileSizeChange12*.xel',NULL,NULL, NULL)
) AS evts(event_data)
WHERE event_data.value('(event/@name)[1]', 'varchar(50)') = 'database_file_size_change'
or event_data.value('(event/@name)[1]', 'varchar(50)') = 'databases_log_growth'
ORDER BY AffectedDB,FileType,timestamp asc;
SELECT CAST(target_data AS xml) AS TargetData
FROM sys.dm_xe_sessions AS s
INNER JOIN sys.dm_xe_session_targets AS t
ON s.address = t.event_session_address
WHERE s.name = 'TrackDBFileChange12'
AND t.target_name = 'ring_buffer'