tailieunhanh - Principles of Database Management Systems - Notes 2: Hardware
Principles of Database Management Systems - Notes 2: Hardware includes Hardware disks, Access times, Optimizations, Other topics (Storage costs, Using secondary storage, Disk failures). | Principles of Database Management Systems Notes 2: Hardware Based on lecture notes by Hector Garcia-Molina 1 Outline Hardware: disks Access times Optimizations Other topics Storage costs Using secondary storage Disk failures 2 Hardware DBMS Data Storage 3 P . Typical Computer M C . Secondary Storage 4 Processor Fast, slow, reduced instruction set, with cache, pipelined Speed: 100 20000 MIPS Memory Fast, slow, non-volatile, read-only, Access time: 10-6 10-9 sec. 1 s 1 .
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