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29 lines
650 B
Transact-SQL
29 lines
650 B
Transact-SQL
/*
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Keep in mind that until certain point SQL servers creates 16 VLF for each growth operation.
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To make sure that VLFs are large from the beginning grow it a LOT first time.
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*/
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DECLARE @INT INT = 2, @Cmd VARCHAR(max);
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--target size 100GB
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WHILE @INT <= 100
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BEGIN
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SET @Cmd = 'ALTER DATABASE [db] MODIFY FILE ( NAME = N''db_log'', SIZE = '+ CAST(@INT * 1024 AS VARCHAR(10))+'MB )';
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PRINT @Cmd;
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EXEC(@CMD)
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SET @Int += 1;
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END
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select
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li.VLF,
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mf.growth,
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mf.*
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from sys.master_files mf
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cross apply (SELECT COUNT(*) AS VLF FROM sys.dm_db_log_info(mf.database_id) li) AS li
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where mf.type = 1
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and mf.database_id > 4
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order by mf.growth
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