これだけはやっておけ †これやってないシステムは万死に値するので、とにかくやっておけ
tempdbの移動 †
リストア後のユーザ補正 †
オブジェクト(テーブルとか)の所有者変更 †sp_changeobjectowner OBJECT_NAME, OWNER_NAME 欠落インデックスのレポート †
インデックスの利用状況 †select SCHEMA_NAME(st.schema_id) as schema_name , OBJECT_NAME(dp.object_id) as object_name , si.name , used_page_count , reserved_page_count , row_count , user_seeks , user_scans , user_lookups , user_updates , last_user_seek , last_user_scan , last_user_lookup from sys.dm_db_partition_stats dp left join sys.indexes si on si.object_id = dp.object_id and si.index_id = dp.index_id inner join sys.tables st on st.object_id = dp.object_id and SCHEMA_NAME(st.schema_id) <> 'sys' left join sys.dm_db_index_usage_stats iu on iu.object_id = dp.object_id and iu.index_id = dp.index_id order by schema_name, object_name, si.name インデックス一覧 †select i.name as indes_name , ob.name as table_name , col.name as column_name , ix.id , ix.indid , ix.keyno from sysindexkeys ix , sysobjects ob , syscolumns col , sysindexes i where ix.id = ob.id and ix.id = col.id and ix.colid = col.colid and i.id = ix.id and i.indid = ix.indid and ob.xtype in ('U','PK') order by ob.name,ob.xtype,i.name,ix.id,ix.indid,ix.keyno テーブル使用容量 †BEGIN DECLARE @tablename VARCHAR(256) declare @id int declare @rows int, @datasizeused int, @indexsizeused int, @pagesize int DECLARE tablelist CURSOR FOR SELECT Name FROM Sys.Tables ORDER BY Name SET NOCOUNT ON CREATE TABLE #table_size ( TABLE_NAME VARCHAR(256) ,ROWS INT ,DATA_SIZE INT ,INDEX_SIZE INT ) select @pagesize = v.low / 1024 from master..spt_values v where v.number=1 and v.type=N'E' OPEN tablelist FETCH NEXT FROM tablelist INTO @tablename WHILE @@FETCH_STATUS = 0 BEGIN select @id = id from dbo.sysobjects where id = object_id(@tablename) and (OBJECTPROPERTY(id, N'IsTable') = 1) /* rows */ SELECT @rows = convert(int, rowcnt) FROM dbo.sysindexes WHERE indid < 2 and id = @id /* data */ SELECT @datasizeused = SUM(CASE WHEN a.type <> 1 THEN a.used_pages WHEN p.index_id < 2 THEN a.data_pages ELSE 0 END) FROM sys.indexes as i JOIN sys.partitions as p ON p.object_id = i.object_id and p.index_id = i.index_id JOIN sys.allocation_units as a ON a.container_id = p.partition_id where i.object_id = @id /* index */ SELECT @indexsizeused = sum(isnull(sidx.used,0)-isnull(sidx.dpages,0)) FROM dbo.sysindexes sidx WHERE sidx.indid < 2 and sidx.id = @id insert into #table_size values( @tablename, @rows, @datasizeused* @pagesize, @indexsizeused*@pagesize) FETCH NEXT FROM tablelist INTO @tablename END SELECT * FROM #table_size drop table #table_size --(5)終了処理 DEALLOCATE tablelist END Agent XPs の設定 †
タブ区切りファイルのインポート †bcp database_name.dbo.table_name in filename.txt -Uuser -Ppass -Sserver -c indesの再構築と再編成 †use <databasename> go SET NOCOUNT ON; DECLARE @objectid int; DECLARE @indexid int; DECLARE @partitioncount bigint; DECLARE @schemaname nvarchar(130); DECLARE @objectname nvarchar(130); DECLARE @indexname nvarchar(130); DECLARE @partitionnum bigint; DECLARE @partitions bigint; DECLARE @frag float; DECLARE @command nvarchar(4000); SELECT object_id AS objectid, index_id AS indexid, partition_number AS partitionnum, avg_fragmentation_in_percent AS frag INTO #work_to_do FROM sys.dm_db_index_physical_stats (DB_ID(), NULL, NULL , NULL, 'LIMITED') WHERE avg_fragmentation_in_percent > 10.0 AND index_id > 0; DECLARE partitions CURSOR FOR SELECT * FROM #work_to_do; OPEN partitions; WHILE (1=1) BEGIN; FETCH NEXT FROM partitions INTO @objectid, @indexid, @partitionnum, @frag; IF @@FETCH_STATUS < 0 BREAK; SELECT @objectname = QUOTENAME(o.name), @schemaname = QUOTENAME(s.name) FROM sys.objects AS o JOIN sys.schemas as s ON s.schema_id = o.schema_id WHERE o.object_id = @objectid; SELECT @indexname = QUOTENAME(name) FROM sys.indexes WHERE object_id = @objectid AND index_id = @indexid; SELECT @partitioncount = count (*) FROM sys.partitions WHERE object_id = @objectid AND index_id = @indexid; IF @frag < 30.0 SET @command = N'ALTER INDEX ' + @indexname + N' ON ' + @schemaname + N'.' + @objectname + N' REORGANIZE'; IF @frag >= 30.0 -- SET @command = N'ALTER INDEX ' + @indexname + N' ON ' + @schemaname + N'.' + @objectname + N' REBUILD WITH (ONLINE = ON)'; -- Enterprize SET @command = N'ALTER INDEX ' + @indexname + N' ON ' + @schemaname + N'.' + @objectname + N' REBUILD'; -- Standard IF @partitioncount > 1 SET @command = @command + N' PARTITION=' + CAST(@partitionnum AS nvarchar(10)); EXEC (@command); PRINT N'Executed(' + CAST (@frag as nvarchar) +'): ' + @command; END; CLOSE partitions; DEALLOCATE partitions; DROP TABLE #work_to_do; GO
|