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Database版 - WOrst Case Overhead!!!!!
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请教一个数据库设计的问题有朋友做过100+TB的Data Warehouse吗?在Deployment上要注意些什么呢?
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翻译问题,急救啊!disk access and DB2
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相关话题的讨论汇总
话题: overhead话题: worst话题: case话题: disks话题: 32
进入Database版参与讨论
1 (共1页)
h*o
发帖数: 1
1
Any one know how to do this problem? Especially the second one.
Given a 32*32 2-dimensional regular grid of points to store on disk. You want
to store them with redundancy r = 1, on two virtual disks, but using 3 actual
disks and RAID 5. You can store B = 32 points per block.
1) Describe waht the contents of each disk.( in details)
2) What is exact worst case overhead, and name a query that gives it.
1 (共1页)
进入Database版参与讨论
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相关话题的讨论汇总
话题: overhead话题: worst话题: case话题: disks话题: 32