July 2010
Intermediate to advanced
900 pages
40h 1m
English
Content preview from Memory Systems
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CHAPTER 18
The Data Layer
The previous chapter discusses the physical components of a disk drive for recording/retrieving data bits onto/from the magnetic media. But how should these data bits be placed and organized on the disks? In this chapter, we explore some of the data placement alternatives and evaluate some design trade-offs.
It is intuitively obvious that the bits of a given piece of data should be stored together for best storage efficiency and access performance. The piece of data can be a transaction record, a text file, a spreadsheet, a compressed music file, or some other type of file. The reasons are obvious. First, since every piece of data needs to have some sort of identification, storing a piece of data in a single place instead ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.