转载至:http://beikeit.com/post-495.html 简单译文: 这段linux官方资料主要介绍了外部碎片(external fragmentation).内部碎片(internal fragmentation)的概念及相关情况,说明了linux文件系统在磁盘还有5%空闲空间的情况下是不需要碎片整理的.(Linux native file systems do not need defragmentation under normal use and this inclu
DEFRAGMENTcombines free sectors and moves them to the end of a cylinder.PACKDISKfill (or packs) cylinders up to the FSP (Free Space Percentage) 1.使用vncciewer登陆SWS并登录节点并查看数据库状态 登陆SMP001-8节点21.*.*.* psh pdestate -a psh sar 检查数据库状态是否为:tpa is running/sta
重建索引 use DATABASE_NAME; ) ) DECLARE @fillfactor INT DECLARE TableCursor CURSOR FOR SELECT OBJECT_SCHEMA_NAME([object_id])+'.['+name+']' AS TableName FROM sys.tables w OPEN TableCursor FETCH NEXT FROM TableCursor INTO @TableName BEGIN SET @sql = 'ALTE