The Audit Log in MOSS has the potential to become unruly if left to it’s own devices. If you have upgraded to at least the Infrastructure Update, a new stsadm command is available for trimming the audit logs (specifically the AuditData table in the content database). The command is trimauditlog.
Sample Usage:
stsadm -o trimauditlog -date 20090101 -databasename MyContentDB
If you have auditing enabled and find yourself curious about the amount of space a particular table is consuming, the following script can help in finding the largest tables in a database:
/******************************************************************** * * BigTables.sql * Bill Graziano (SQLTeam.com) * graz@sqlteam.com * v1.1 * ********************************************************************/ declare @id int declare @type character(2) declare @pages int declare @dbname sysname declare @dbsize dec(15,0) declare @bytesperpage dec(15,0) declare @pagesperMB dec(15,0) create table #spt_space ( objid int null, rows int null, reserved dec(15) null, data dec(15) null, indexp dec(15) null, unused dec(15) null ) set nocount on -- Create a cursor to loop through the user tables declare c_tables cursor for select id from sysobjects where xtype = 'U' open c_tables fetch next from c_tables into @id while @@fetch_status = 0 begin /* Code from sp_spaceused */ insert into #spt_space (objid, reserved) select objid = @id, sum(reserved) from sysindexes where indid in (0, 1, 255) and id = @id select @pages = sum(dpages) from sysindexes where indid < 2 and id = @id select @pages = @pages + isnull(sum(used), 0) from sysindexes where indid = 255 and id = @id update #spt_space set data = @pages where objid = @id /* index: sum(used) where indid in (0, 1, 255) - data */ update #spt_space set indexp = (select sum(used) from sysindexes where indid in (0, 1, 255) and id = @id) - data where objid = @id /* unused: sum(reserved) - sum(used) where indid in (0, 1, 255) */ update #spt_space set unused = reserved - (select sum(used) from sysindexes where indid in (0, 1, 255) and id = @id) where objid = @id update #spt_space set rows = i.rows from sysindexes i where i.indid < 2 and i.id = @id and objid = @id fetch next from c_tables into @id end select top 25 Table_Name = (select left(name,25) from sysobjects where id = objid), rows = convert(char(11), rows), reserved_KB = ltrim(str(reserved * d.low / 1024.,15,0) + ' ' + 'KB'), data_KB = ltrim(str(data * d.low / 1024.,15,0) + ' ' + 'KB'), index_size_KB = ltrim(str(indexp * d.low / 1024.,15,0) + ' ' + 'KB'), unused_KB = ltrim(str(unused * d.low / 1024.,15,0) + ' ' + 'KB') from #spt_space, master.dbo.spt_values d where d.number = 1 and d.type = 'E' order by reserved desc drop table #spt_space close c_tables deallocate c_tables
Credit: Finding the biggest tables in a database
For more information, see Trimauditlog: Stsadm operation (Office SharePoint Server).
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