05 2012 档案

Scalability Best Practices
摘要：转：http://akfpartners.com/techblog/2009/08/11/scalability-best-practices/Asynchronous - Use asynchronous communication when possible. Synchronous calls tie the availability of the two services together. If one has a failure or is slow the other one is affected.Swim Lanes – Create fault isolated “sw.. 阅读全文

posted @ 2012-05-31 15:33 暖风的风 阅读(195) 评论(0) 推荐(0) 编辑

更新INCLUDE indexes中的非键列会引起索引碎片吗？
摘要：今天跟CareySon 讨论有些索引碎片的一个事情，他发现下面一篇文章中的有些问题，所以我做了个简单测试，如有不妥，欢迎大家批评指点。http://www.daveturpin.com/2010/04/composite-index-vs-include-covering-index/也就是更新INCLUDE indexes中的非键列会引起索引碎片吗？测试代码如下：CREATE TABLE sp_tablepages(PageFID tinyint,PagePID int,IAMFID tinyint,IAMPID int,ObjectID int,IndexID tinyint,Partit 阅读全文

posted @ 2012-05-18 16:03 暖风的风 阅读(1063) 评论(7) 推荐(0) 编辑

Here we go&&Here you are
摘要：Explanation:These phrases can be used in a manner of ways by different people but maybe this will provide you with a framework.Here we godiscovery : here we go ex. finding something.Here we go, I have been looking for my glasses all morning.initiation : here we go ex. embarking on a trip.Here we go, 阅读全文

posted @ 2012-05-07 15:23 暖风的风 阅读(451) 评论(4) 推荐(0) 编辑

导航

点击右上角即可分享
微信分享提示