Question taille d'une base avec proc sql

**agdid04** · 27/02/2019, 14h20

Bonjour,

J'ai une base dont la taille affiché par la proc sp_spaceused est ~ 2016 Go.

En faisant la somme de: reserved + data + index + unsed: je suis loin de compte ...

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database_name		database_size	unallocated space	
S3SPRD			216905.25 MB	6311.92 MB	
 
reserved	data		index_size	unused
92431440 KB	90244624 KB	2002984 KB	183832 KB

Merci de votre aide.

A+

**SQLpro** · 27/02/2019, 15h24

216 Go pas 2016...

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Réservé = 92431 MB dont :
données : 90244 KB
index      2002 KB	
vide        183 KB
-------------------
total     92429 KB  ce qui correspond bien (aux arrondis près) soit 92 Go
 
Le reste : 216 - 92 =  124, ce qui devrait être le journal de transactions....

Vérifiez en corroborant avec :

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DBCC SQLPERF(LOGSPACE)

A +

**agdid04** · 27/02/2019, 18h30

Merci bcp.

j'ai pas pensé au journal.

A+

**janlouk** · 28/02/2019, 11h05

Pour aller vite et voir la taille d'une DB, et ce qu'il reste.

Je "simule" un shrink et là je suis tout de suite fixé.

**agdid04** · 28/02/2019, 14h06

Bonjour,

C'est "simule" ? avec quelle option ....?

Merci.

A+

**janlouk** · 28/02/2019, 14h14

Clic droit sur ta DB/task/shrink/Files

Et là, tu choisis le File Type si tu veux Data ou Log

**janlouk** · 28/02/2019, 14h20

Et quand je veux le savoir sur plusieurs DB, j'utilise cette SP. Je l'ai juste "adapté" car elle n'allait que jusque SQL 2008 ou 2012 si mes souvenirs sont bons.

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USE [master]; 
GO 
 
IF OBJECT_ID('dbo.sp_SDS', 'P') IS NOT NULL
  DROP PROCEDURE dbo.sp_SDS; 
GO 
 
CREATE PROCEDURE dbo.sp_SDS 
  @TargetDatabase nvarchar(128) = NULL,  --  NULL: all dbs 
  @Level varchar(10) = 'Database',       --  or "File" 
  @UpdateUsage bit = 0,                  --  default no update 
  @Unit char(2) = 'MB'                   --  Megabytes, Kilobytes or Gigabytes 
AS
 
/************************************************************************************************** 
** 
**  author: Richard Ding 
**  date:   4/8/2008 
**  usage:  list db size AND path w/o SUMmary 
**  test code: sp_SDS   --  default behavior 
**             sp_SDS 'master'
**             sp_SDS NULL, NULL, 0 
**             sp_SDS NULL, 'file', 1, 'GB'
**             sp_SDS 'Test_snapshot', 'Database', 1 
**             sp_SDS 'Test', 'File', 0, 'kb'
**             sp_SDS 'pfaids', 'Database', 0, 'gb'
**             sp_SDS 'tempdb', NULL, 1, 'kb'
** Update : Jean-Luc de Jong 
** date:   15/02/2019
**************************************************************************************************/ 
 
SET NOCOUNT ON; 
 
IF @TargetDatabase IS NOT NULL AND DB_ID(@TargetDatabase) IS NULL
  BEGIN
    RAISERROR(15010, -1, -1, @TargetDatabase); 
    RETURN (-1) 
  END
 
IF OBJECT_ID('tempdb.dbo.##Tbl_CombinedInfo', 'U') IS NOT NULL
  DROP TABLE dbo.##Tbl_CombinedInfo; 
 
IF OBJECT_ID('tempdb.dbo.##Tbl_DbFileStats', 'U') IS NOT NULL
  DROP TABLE dbo.##Tbl_DbFileStats; 
 
IF OBJECT_ID('tempdb.dbo.##Tbl_ValidDbs', 'U') IS NOT NULL
  DROP TABLE dbo.##Tbl_ValidDbs; 
 
IF OBJECT_ID('tempdb.dbo.##Tbl_Logs', 'U') IS NOT NULL
  DROP TABLE dbo.##Tbl_Logs; 
 
CREATE TABLE dbo.##Tbl_CombinedInfo ( 
  DatabaseName sysname NULL, 
  [type] VARCHAR(10) NULL, 
  LogicalName sysname NULL, 
  T dec(10, 2) NULL, 
  U dec(10, 2) NULL, 
  [U(%)] dec(5, 2) NULL, 
  F dec(10, 2) NULL, 
  [F(%)] dec(5, 2) NULL, 
  PhysicalName nvarchar(255) NULL ); 
 
CREATE TABLE dbo.##Tbl_DbFileStats ( 
  Id int identity, 
  DatabaseName sysname NULL, 
  FileId int NULL, 
  FileGroup int NULL, 
  TotalExtents bigint NULL, 
  UsedExtents bigint NULL, 
  Name sysname NULL, 
  FileName nvarchar(255) NULL ); 
 
CREATE TABLE dbo.##Tbl_ValidDbs ( 
  Id int identity, 
  Dbname sysname NULL ); 
 
CREATE TABLE dbo.##Tbl_Logs ( 
  DatabaseName sysname NULL, 
  LogSize dec (10, 2) NULL, 
  LogSpaceUsedPercent dec (5, 2) NULL, 
  Status int NULL ); 
 
DECLARE @Ver varchar(20), 
        @DatabaseName sysname, 
        @Ident_last int, 
        @String varchar(2000), 
        @BaseString varchar(2000); 
 
SELECT @DatabaseName = '', 
       @Ident_last = 0, 
       @String = '', 
       @Ver = CASE WHEN @@VERSION LIKE '%9.0%' THEN 'SQL 2005'
                   WHEN @@VERSION LIKE '%8.0%' THEN 'SQL 2000'
                   WHEN @@VERSION LIKE '%10.0%' THEN 'SQL 2008'
                   WHEN @@VERSION LIKE '%10.5%' THEN 'SQL 2008 R2'
                   WHEN @@VERSION LIKE '%11.0%' THEN 'SQL 2012'
				   WHEN @@VERSION LIKE '%12.0%' THEN 'SQL 2014'
				   WHEN @@VERSION LIKE '%13.0%' THEN 'SQL 2016'
				   WHEN @@VERSION LIKE '%14.0%' THEN 'SQL 2017'
WHEN @@VERSION LIKE '%15.0%' THEN 'SQL 2019'
              END; 
 
SELECT @BaseString = 
' SELECT DB_NAME(), ' + 
CASE WHEN @Ver = 'SQL 2000' THEN 'CASE WHEN status & 0x40 = 0x40 THEN ''Log''  ELSE ''Data'' END'
  ELSE ' CASE type WHEN 0 THEN ''Data'' WHEN 1 THEN ''Log'' WHEN 4 THEN ''Full-text'' ELSE ''reserved'' END' END + 
', name, ' + 
CASE WHEN @Ver = 'SQL 2000' THEN 'filename' ELSE 'physical_name' END + 
', size*8.0/1024.0 FROM ' + 
CASE WHEN @Ver = 'SQL 2000' THEN 'sysfiles' ELSE 'sys.database_files' END + 
' WHERE '
+ CASE WHEN @Ver = 'SQL 2000' THEN ' HAS_DBACCESS(DB_NAME()) = 1' ELSE 'state_desc = ''ONLINE''' END + ''; 
 
SELECT @String = 'INSERT INTO dbo.##Tbl_ValidDbs SELECT name FROM ' + 
                 CASE WHEN @Ver = 'SQL 2000' THEN 'master.dbo.sysdatabases'
                      WHEN @Ver IN ('SQL 2005', 'SQL 2008', 'SQL 2008 R2', 'SQL 2012', 'SQL 2014', 'SQL 2016', 'SQL 2017', 'SQL 2019') THEN 'master.sys.databases'
                 END + ' WHERE HAS_DBACCESS(name) = 1 ORDER BY name ASC'; 
EXEC (@String); 
 
INSERT INTO dbo.##Tbl_Logs EXEC ('DBCC SQLPERF (LOGSPACE) WITH NO_INFOMSGS'); 
 
--  For data part 
IF @TargetDatabase IS NOT NULL
  BEGIN
    SELECT @DatabaseName = @TargetDatabase; 
    IF @UpdateUsage <> 0 AND DATABASEPROPERTYEX (@DatabaseName,'Status') = 'ONLINE'
          AND DATABASEPROPERTYEX (@DatabaseName, 'Updateability') <> 'READ_ONLY'
      BEGIN
        SELECT @String = 'USE [' + @DatabaseName + '] DBCC UPDATEUSAGE (0)'; 
        PRINT '*** ' + @String + ' *** '; 
        EXEC (@String); 
        PRINT ''; 
      END
 
    SELECT @String = 'INSERT INTO dbo.##Tbl_CombinedInfo (DatabaseName, type, LogicalName, PhysicalName, T) ' + @BaseString;  
 
    INSERT INTO dbo.##Tbl_DbFileStats (FileId, FileGroup, TotalExtents, UsedExtents, Name, FileName) 
          EXEC ('USE [' + @DatabaseName + '] DBCC SHOWFILESTATS WITH NO_INFOMSGS'); 
    EXEC ('USE [' + @DatabaseName + '] ' + @String); 
 
    UPDATE dbo.##Tbl_DbFileStats SET DatabaseName = @DatabaseName; 
  END
ELSE
  BEGIN
    WHILE 1 = 1 
      BEGIN
        SELECT TOP 1 @DatabaseName = Dbname FROM dbo.##Tbl_ValidDbs WHERE Dbname > @DatabaseName ORDER BY Dbname ASC; 
        IF @@ROWCOUNT = 0 
          BREAK; 
        IF @UpdateUsage <> 0 AND DATABASEPROPERTYEX (@DatabaseName, 'Status') = 'ONLINE'
              AND DATABASEPROPERTYEX (@DatabaseName, 'Updateability') <> 'READ_ONLY'
          BEGIN
            SELECT @String = 'DBCC UPDATEUSAGE (''' + @DatabaseName + ''') '; 
            PRINT '*** ' + @String + '*** '; 
            EXEC (@String); 
            PRINT ''; 
          END
 
        SELECT @Ident_last = ISNULL(MAX(Id), 0) FROM dbo.##Tbl_DbFileStats; 
 
        SELECT @String = 'INSERT INTO dbo.##Tbl_CombinedInfo (DatabaseName, type, LogicalName, PhysicalName, T) ' + @BaseString;  
 
        EXEC ('USE [' + @DatabaseName + '] ' + @String); 
 
        INSERT INTO dbo.##Tbl_DbFileStats (FileId, FileGroup, TotalExtents, UsedExtents, Name, FileName) 
          EXEC ('USE [' + @DatabaseName + '] DBCC SHOWFILESTATS WITH NO_INFOMSGS'); 
 
        UPDATE dbo.##Tbl_DbFileStats SET DatabaseName = @DatabaseName WHERE Id BETWEEN @Ident_last + 1 AND @@IDENTITY; 
      END
  END
 
--  set used size for data files, do not change total obtained from sys.database_files as it has for log files 
UPDATE dbo.##Tbl_CombinedInfo 
SET U = s.UsedExtents*8*8/1024.0 
FROM dbo.##Tbl_CombinedInfo t JOIN dbo.##Tbl_DbFileStats s 
ON t.LogicalName = s.Name AND s.DatabaseName = t.DatabaseName; 
 
--  set used size and % values for log files: 
UPDATE dbo.##Tbl_CombinedInfo 
SET [U(%)] = LogSpaceUsedPercent, 
U = T * LogSpaceUsedPercent/100.0 
FROM dbo.##Tbl_CombinedInfo t JOIN dbo.##Tbl_Logs l 
ON l.DatabaseName = t.DatabaseName 
WHERE t.type = 'Log'; 
 
UPDATE dbo.##Tbl_CombinedInfo SET F = T - U, [U(%)] = U*100.0/T; 
 
UPDATE dbo.##Tbl_CombinedInfo SET [F(%)] = F*100.0/T; 
 
IF UPPER(ISNULL(@Level, 'DATABASE')) = 'FILE'
  BEGIN
    IF @Unit = 'KB'
      UPDATE dbo.##Tbl_CombinedInfo 
      SET T = T * 1024, U = U * 1024, F = F * 1024; 
 
    IF @Unit = 'GB'
      UPDATE dbo.##Tbl_CombinedInfo 
      SET T = T / 1024, U = U / 1024, F = F / 1024; 
 
    SELECT DatabaseName AS 'Database', 
      type AS 'Type', 
      LogicalName, 
      T AS 'Total', 
      U AS 'Used', 
      [U(%)] AS 'Used (%)', 
      F AS 'Free', 
      [F(%)] AS 'Free (%)', 
      PhysicalName 
      FROM dbo.##Tbl_CombinedInfo 
      WHERE DatabaseName LIKE ISNULL(@TargetDatabase, '%') 
      ORDER BY DatabaseName ASC, type ASC; 
 
    SELECT CASE WHEN @Unit = 'GB' THEN 'GB' WHEN @Unit = 'KB' THEN 'KB' ELSE 'MB' END AS 'SUM', 
        SUM (T) AS 'TOTAL', SUM (U) AS 'USED', SUM (F) AS 'FREE' FROM dbo.##Tbl_CombinedInfo; 
  END
 
IF UPPER(ISNULL(@Level, 'DATABASE')) = 'DATABASE'
  BEGIN
    DECLARE @Tbl_Final TABLE ( 
      DatabaseName sysname NULL, 
      TOTAL dec (10, 2), 
      [=] char(1), 
      used dec (10, 2), 
      [used (%)] dec (5, 2), 
      [+] char(1), 
      free dec (10, 2), 
      [free (%)] dec (5, 2), 
      [==] char(2), 
      Data dec (10, 2), 
      Data_Used dec (10, 2), 
      [Data_Used (%)] dec (5, 2), 
      Data_Free dec (10, 2), 
      [Data_Free (%)] dec (5, 2), 
      [++] char(2), 
      Log dec (10, 2), 
      Log_Used dec (10, 2), 
      [Log_Used (%)] dec (5, 2), 
      Log_Free dec (10, 2), 
      [Log_Free (%)] dec (5, 2) ); 
 
    INSERT INTO @Tbl_Final 
      SELECT x.DatabaseName, 
           x.Data + y.Log AS 'TOTAL', 
           '=' AS '=', 
           x.Data_Used + y.Log_Used AS 'U', 
           (x.Data_Used + y.Log_Used)*100.0 / (x.Data + y.Log)  AS 'U(%)', 
           '+' AS '+', 
           x.Data_Free + y.Log_Free AS 'F', 
           (x.Data_Free + y.Log_Free)*100.0 / (x.Data + y.Log)  AS 'F(%)', 
           '==' AS '==', 
           x.Data, 
           x.Data_Used, 
           x.Data_Used*100/x.Data AS 'D_U(%)', 
           x.Data_Free, 
           x.Data_Free*100/x.Data AS 'D_F(%)', 
           '++' AS '++', 
           y.Log, 
           y.Log_Used, 
           y.Log_Used*100/y.Log AS 'L_U(%)', 
           y.Log_Free, 
           y.Log_Free*100/y.Log AS 'L_F(%)'
      FROM
      ( SELECT d.DatabaseName, 
               SUM(d.T) AS 'Data', 
               SUM(d.U) AS 'Data_Used', 
               SUM(d.F) AS 'Data_Free'
          FROM dbo.##Tbl_CombinedInfo d WHERE d.type = 'Data' GROUP BY d.DatabaseName ) AS x 
      JOIN
      ( SELECT l.DatabaseName, 
               SUM(l.T) AS 'Log', 
               SUM(l.U) AS 'Log_Used', 
               SUM(l.F) AS 'Log_Free'
          FROM dbo.##Tbl_CombinedInfo l WHERE l.type = 'Log' GROUP BY l.DatabaseName ) AS y 
      ON x.DatabaseName = y.DatabaseName; 
 
    IF @Unit = 'KB'
      UPDATE @Tbl_Final SET TOTAL = TOTAL * 1024, 
      used = used * 1024, 
      free = free * 1024, 
      Data = Data * 1024, 
      Data_Used = Data_Used * 1024, 
      Data_Free = Data_Free * 1024, 
      Log = Log * 1024, 
      Log_Used = Log_Used * 1024, 
      Log_Free = Log_Free * 1024; 
 
     IF @Unit = 'GB'
      UPDATE @Tbl_Final SET TOTAL = TOTAL / 1024, 
      used = used / 1024, 
      free = free / 1024, 
      Data = Data / 1024, 
      Data_Used = Data_Used / 1024, 
      Data_Free = Data_Free / 1024, 
      Log = Log / 1024, 
      Log_Used = Log_Used / 1024, 
      Log_Free = Log_Free / 1024; 
 
      DECLARE @GrantTotal dec(11, 2); 
      SELECT @GrantTotal = SUM(TOTAL) FROM @Tbl_Final; 
 
      SELECT
      CONVERT(dec(10, 2), TOTAL*100.0/@GrantTotal) AS 'WEIGHT (%)', 
      DatabaseName AS 'DATABASE', 
      CONVERT(VARCHAR(12), used) + '  (' + CONVERT(VARCHAR(12), [used (%)]) + ' %)' AS 'USED  (%)', 
      [+], 
      CONVERT(VARCHAR(12), free) + '  (' + CONVERT(VARCHAR(12), [free (%)]) + ' %)' AS 'FREE  (%)', 
      [=], 
      TOTAL, 
      [=], 
      CONVERT(VARCHAR(12), Data) + '  (' + CONVERT(VARCHAR(12), Data_Used) + ',  ' + 
      CONVERT(VARCHAR(12), [Data_Used (%)]) + '%)' AS 'DATA  (used,  %)', 
      [+], 
      CONVERT(VARCHAR(12), Log) + '  (' + CONVERT(VARCHAR(12), Log_Used) + ',  ' + 
      CONVERT(VARCHAR(12), [Log_Used (%)]) + '%)' AS 'LOG  (used,  %)'
        FROM @Tbl_Final 
        WHERE DatabaseName LIKE ISNULL(@TargetDatabase, '%') 
        ORDER BY DatabaseName ASC; 
 
    IF @TargetDatabase IS NULL
      SELECT CASE WHEN @Unit = 'GB' THEN 'GB' WHEN @Unit = 'KB' THEN 'KB' ELSE 'MB' END AS 'SUM', 
      SUM (used) AS 'USED', 
      SUM (free) AS 'FREE', 
      SUM (TOTAL) AS 'TOTAL', 
      SUM (Data) AS 'DATA', 
      SUM (Log) AS 'LOG'
      FROM @Tbl_Final; 
  END
 
RETURN (0) 
 
GO

**SQLpro** · 28/02/2019, 14h42

Elle peut te donner des résultats faux car elle utilise les tables système de la version 2000 qui sont obsolète…

Utilise la requête suivante :

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--> volume des transactions
DECLARE @T TABLE (database_name sysname, log_size_mb FLOAT, log_space_used_percent FLOAT, STATUS bit);
DECLARE @TRANSACTIONS_RESERVEES_MO BIGINT, 
        @TRANSACTIONS_UTILISEES_MO BIGINT, 
        @TRANSACTIONS_UTILISEES_POURCENT DECIMAL(5,2);
INSERT INTO @T
EXEC ('DBCC SQLPERF(LOGSPACE)')
SELECT @TRANSACTIONS_RESERVEES_MO = ROUND(log_size_mb, 0), 
       @TRANSACTIONS_UTILISEES_MO = ROUND(log_size_mb * log_space_used_percent / 100.0, 0), 
       @TRANSACTIONS_UTILISEES_POURCENT = CAST(log_space_used_percent AS DECIMAL(5,2))
FROM @T WHERE database_name = DB_NAME();
 
-- taille de l'enveloppe de stockage :
WITH 
T_FILES AS (
SELECT CAST(ROUND(SUM(CASE WHEN "type" = 1 
                              THEN SIZE
                           ELSE 0 
                      END) / 128.0, 0) AS BIGINT) AS TRANSACTIONS_RESERVEES_MO,
       CAST(ROUND(SUM(CASE WHEN "type" != 1 
                              THEN SIZE
                           ELSE 0 
                      END) / 128.0, 0) AS BIGINT) AS DONNEES_RESERVE_MO
FROM   sys.database_files),
T_DB AS (
SELECT TRANSACTIONS_RESERVEES_MO + DONNEES_RESERVE_MO AS BASE_TAILLE_MO,
       DONNEES_RESERVE_MO, TRANSACTIONS_RESERVEES_MO
FROM   T_FILES),   
T_PAGES AS (
-- taille des pages données et index           
SELECT CAST(ROUND(SUM(au.used_pages) / 128.0, 0) AS BIGINT) AS DONNEES_UTILISEES_MO,
       CAST(ROUND(SUM(CASE
                         WHEN it.internal_type IN (202, 204, 211, 212, 213, 214, 215, 216) 
                            THEN 0
                         WHEN au.TYPE != 1 
                            THEN au.used_pages
                         WHEN p.index_id < 2  
                            THEN au.data_pages
                         ELSE 0
                      END) / 128.0, 0) AS BIGINT) AS TABLES_MO
FROM   sys.partitions AS p 
       INNER JOIN sys.allocation_units au 
             ON p.partition_id = au.container_id
         LEFT OUTER JOIN sys.internal_tables AS it 
               ON p.object_id = it.object_id)
SELECT BASE_TAILLE_MO,
       DONNEES_RESERVE_MO, 
       DONNEES_UTILISEES_MO, 
       CAST(100.0 * CAST( DONNEES_UTILISEES_MO AS FLOAT) 
            / DONNEES_RESERVE_MO AS DECIMAL(5,2)) AS DONNEES_UTILISEES_POURCENT,
       TABLES_MO, 
       DONNEES_UTILISEES_MO - TABLES_MO AS INDEX_MO,
       CAST(100.0 * CAST( TABLES_MO AS FLOAT) 
            / DONNEES_UTILISEES_MO AS DECIMAL(5,2)) AS TABLES_POURCENT ,
       CAST(100.0 * CAST( DONNEES_UTILISEES_MO - TABLES_MO AS FLOAT) 
            / DONNEES_UTILISEES_MO AS DECIMAL(5,2)) AS INDEX_POURCENT,
       TRANSACTIONS_RESERVEES_MO,
       @TRANSACTIONS_UTILISEES_MO AS TRANSACTIONS_UTILISEES_MO,
       @TRANSACTIONS_UTILISEES_POURCENT AS TRANSACTIONS_UTILISEES_POURCENT
FROM   T_PAGES CROSS JOIN  T_DB;

Tirée de https://blog.developpez.com/sqlpro/p...e-de-vos-bases

A +

**janlouk** · 28/02/2019, 15h03

Il ne fait pas la distinction avec ce code ?

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                 CASE WHEN @Ver = 'SQL 2000' THEN 'master.dbo.sysdatabases'
                      WHEN @Ver IN ('SQL 2005', 'SQL 2008', 'SQL 2008 R2', 'SQL 2012', 'SQL 2014', 'SQL 2016', 'SQL 2017', 'SQL 2019') THEN 'master.sys.databases'

Ou alors master.dbo.sysdatabases et master.sys.databases sont donc tous les deux obsolètes ?

Depuis quand stp ?

**SQLpro** · 28/02/2019, 17h45

DBCC SHOWFILESTATS n'est plus maintenu ! Donc, pas sur que tu ais les bonnes valeurs.

DBCC valides :
https://docs.microsoft.com/en-us/sql...ql-server-2017

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