VLF 는 로그파일이 증가될 때마다 생성 됨 VLF 개수 확인 방법 SELECT [name] AS 'Database Name', COUNT(l.database_id) AS 'VLF Count', SUM(CAST(vlf_active AS INT)) AS 'Active VLF', COUNT(l.database_id)-SUM(CAST(vlf_active AS INT)) AS 'Inactive VLF', SUM(vlf_size_mb) AS 'VLF Size (MB)', SUM(vlf_active*vlf_size_mb) AS 'Active VLF Size (MB)', SUM(vlf_size_mb)-SUM(vlf_active*vlf_size_mb) AS 'Inactive VLF Size (MB)' FROM sys...