sync

EXPLOIT - disk usage and db size.sql

@@ -1,4 +1,6 @@
---databases space
+--how much data we pad when we shrink, and the min disk size to start a shrink
+DECLARE @limit INT=512;
+
 IF OBJECT_ID('tempdb..#dbs')IS NOT NULL BEGIN;
 	DROP TABLE #dbs;
 END;
@@ -7,12 +9,12 @@ CREATE TABLE #dbs ( [database_name] NVARCHAR(128), [log_size_mb] DECIMAL(18,2),
 
 INSERT INTO [#dbs] ([database_name], [log_size_mb], [row_size_mb], [total_size_mb])
 SELECT 
-      database_name = DB_NAME(database_id)
-    , log_size_mb = CAST(SUM(CASE WHEN f.type_desc = 'LOG' THEN size END) * 8. / 1024 AS DECIMAL(18,2))
-    , row_size_mb = CAST(SUM(CASE WHEN type_desc = 'ROWS' THEN size END) * 8. / 1024 AS DECIMAL(18,2))
-    , total_size_mb = CAST(SUM(size) * 8. / 1024 AS DECIMAL(18,2))
+      database_name = DB_NAME([F].[database_id])
+    , log_size_mb = CAST(SUM(CASE WHEN [F].[type_desc] = 'LOG' THEN [F].[size] END) * 8. / 1024 AS DECIMAL(18,2))
+    , row_size_mb = CAST(SUM(CASE WHEN [F].[type_desc] = 'ROWS' THEN [F].[size] END) * 8. / 1024 AS DECIMAL(18,2))
+    , total_size_mb = CAST(SUM([F].[size]) * 8. / 1024 AS DECIMAL(18,2))
 FROM sys.master_files F WITH(NOWAIT)
-GROUP BY F.database_id
+GROUP BY [F].[database_id]
 ORDER BY [total_size_mb] DESC 
 
 IF OBJECT_ID('tempdb..#FileSize')IS NOT NULL BEGIN;
@@ -26,7 +28,7 @@ CREATE TABLE #FileSize(
     FreeSpaceMB DECIMAL(10,2) NULL
 )
 INSERT INTO #FileSize(dbName, FileName, type_desc, CurrentSizeMB, FreeSpaceMB)
-exec sp_msforeachdb 
+exec [sys].[sp_MSforeachdb] 
 'use [?]; 
  SELECT DB_NAME() AS DbName, 
         name AS FileName, 
@@ -41,19 +43,25 @@ SELECT *
 FROM #FileSize
 */
 
+--details
 SELECT 
     d.[name] AS dbName
-    ,f.[physical_name] AS physicalFileName
+    ,[F].[physical_name] AS physicalFileName
     ,f.[name] AS logicalFileName
     --,d2.[log_size_mb]
     --,d2.[row_size_mb]
+    ,[d].[recovery_model_desc]
     ,'-----' AS separator
-    ,CAST(f.size * 8.0 / 1024 AS DECIMAL(18,2)) AS fileSizeMB
-    ,fs.[FreeSpaceMB] AS FreeSpaceInFileMB
-    ,fs.[CurrentSizeMB] - fs.[FreeSpaceMB] AS SpaceUsedMB
-    ,CAST((fs.[CurrentSizeMB] - fs.[FreeSpaceMB]) * 100 / (CAST(f.size * 8. / 1024 AS DECIMAL(18,2))) AS NUMERIC(6,2)) AS fileSpaceUsedPercent
+    --,CAST(f.size * 8.0 / 1024 AS DECIMAL(18,2)) AS fileSizeMB
+    ,REPLACE(REPLACE(CONVERT(VARCHAR(100), CONVERT(MONEY, CAST([F].[size] * 8.0 / 1024 AS DECIMAL(18,2))), 1),',',''''),'.00','') as fileSizeMB
+    --,fs.[FreeSpaceMB] AS FreeSpaceInFileMB
+    ,REPLACE(REPLACE(CONVERT(VARCHAR(100), CONVERT(MONEY, [fs].[FreeSpaceMB]), 1),',',''''),'.00','') as FreeSpaceInFileMB
+    --,(CAST(fs.[CurrentSizeMB] - fs.[FreeSpaceMB] AS MONEY))AS SpaceUsedMB
+    ,REPLACE(REPLACE(CONVERT(VARCHAR(100), CONVERT(MONEY, [fs].[CurrentSizeMB] - [fs].[FreeSpaceMB]), 1),',',''''),'.00','') as SpaceUsedMB
+    ,CAST(([fs].[CurrentSizeMB] - [fs].[FreeSpaceMB]) * 100 / (CAST([F].[size] * 8. / 1024 AS DECIMAL(18,2))) AS NUMERIC(6,2)) AS fileSpaceUsedPercent
     ,'-----' AS separator
-    ,d2.[total_size_mb] AS totalDbSizeMB
+    --,d2.[total_size_mb] AS totalDbSizeMB
+    ,REPLACE(REPLACE(CONVERT(VARCHAR(100), CONVERT(MONEY, [d2].[total_size_mb]), 1),',',''''),'.00','') as totalDbSizeMB
     ,'USE '+d.name+';
 DBCC SHRINKFILE (N'''+f.[name]+''' , 0, TRUNCATEONLY);
 GO
@@ -65,28 +73,31 @@ GO
 
 ' AS reorganizeData
     ,'USE '+d.name+';
-IF 1024 < '+CAST(CAST(f.size * 8.0 / 1024 AS DECIMAL(18,2)) AS VARCHAR(15))+' --file is above 1Go
-    AND 95 > '+CAST(CAST((fs.[CurrentSizeMB] - fs.[FreeSpaceMB]) * 100 / (CAST(f.size * 8.0 / 1024 AS DECIMAL(18,2))) AS DECIMAL(6,2))AS VARCHAR(15))+' --and usage below 95%
-    AND 0 < '+CAST(CAST(fs.[CurrentSizeMB] - fs.[FreeSpaceMB] AS DECIMAL(16,2))AS VARCHAR(15))+' --and data are present
+IF '+CAST(@limit AS VARCHAR(10))+' < '+CAST(CAST([F].[size] * 8.0 / 1024 AS DECIMAL(18,2)) AS VARCHAR(15))+' --file is above limit
+    AND 95 > '+CAST(CAST(([fs].[CurrentSizeMB] - [fs].[FreeSpaceMB]) * 100 / (CAST([F].[size] * 8.0 / 1024 AS DECIMAL(18,2))) AS DECIMAL(6,2))AS VARCHAR(15))+' --and file container usage below 95%
+    AND 0 < '+CAST(CAST([fs].[CurrentSizeMB] - [fs].[FreeSpaceMB] AS DECIMAL(16,2))AS VARCHAR(15))+' --and data are present
+    AND '+CAST(CAST([fs].[CurrentSizeMB] - [fs].[FreeSpaceMB] + @limit AS DECIMAL(18,0)) AS VARCHAR(15))+' < '+CAST(CAST([fs].[CurrentSizeMB] AS DECIMAL(18,0)) AS VARCHAR(15))+' --target size is smaller than current size
 BEGIN
     --print ''Reorganize '+d.name+'.'+f.name+' ''
     RAISERROR(''Reorganize '+d.name+'.'+f.name+' '',0,0) WITH NOWAIT
 
-    DBCC SHRINKFILE (N'''+f.[name]+''' , '+CAST(CAST(fs.[CurrentSizeMB] - fs.[FreeSpaceMB] + 1024 AS DECIMAL(18,0)) AS VARCHAR(15))+');
+    DBCC SHRINKFILE (N'''+f.[name]+''' , '+CAST(CAST([fs].[CurrentSizeMB] - [fs].[FreeSpaceMB] + @limit AS DECIMAL(18,0)) AS VARCHAR(15))+');
     RAISERROR(''Done'',0,0) WITH NOWAIT
 END 
 GO
 ' AS auto_action
 FROM sys.master_files F 
     JOIN sys.databases d ON d.[database_id] = f.[database_id]
-    JOIN [#dbs] [d2] ON d2.[database_name] = d.[name]
-    LEFT JOIN [#FileSize] fs ON fs.[FileName] = f.name AND fs.[dbName] = d.[name]
+    JOIN [#dbs] [d2] ON [d2].[database_name] = d.[name]
+    LEFT JOIN [#FileSize] fs ON [fs].[FileName] = f.name AND [fs].[dbName] = d.[name]
 WHERE f.type_desc IN (
     'ROWS'  --mdf
-    --,'LOG'
+    --,
+    --'LOG'
 )
---AND f.[physical_name] LIKE 'f%'
---AND d.[is_read_only] = 0
+--AND [F].[physical_name] LIKE 'd:%'
+AND d.[is_read_only] = 0
+AND [d].[source_database_id] IS NULL 
 --AND d.[is_auto_shrink_on] = 0
 --AND d.name='sl2007'
 AND d.name NOT IN (
@@ -96,6 +107,7 @@ AND d.name NOT IN (
     ,'msdb'
 )
 ORDER BY [d2].[row_size_mb] DESC, d.name DESC, f.name ASC ;
+--ORDER BY [fileSpaceUsedPercent] ASC;
 
 --free disk space
 SELECT