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重建索引,表记录1.4亿条,晚上九点半左右执行,几个数值,记录下来供参考
ALTER INDEX IX_IndustryIdLv2_UpdateTime ON dbo.Product_Info REBUILD WITH (ONLINE = ON)--晚上21:30执行用时11:17 ALTER INDEX IX_UserId_UpdateTime ON dbo.Product_Info REBUILD WITH (ONLINE = ON)--晚上21:30执行用时06:05 执行时,user connections 数值从300多增加到将近500,说明IO有压力时,user connections会一直增加 重建索引完成后,日志传送从正常的18M,增加到8G!!
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原文地址:http://www.cnblogs.com/davidhou/p/4790096.html