January 2012
Intermediate to advanced
542 pages
11h 28m
English
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Chapter 10. Tuning I/O
In this chapter, we will cover:
- Tuning at the disk level and strategies to distribute Oracle files
- Striping objects across multiple disks
- Choosing different RAID levels for different Oracle files
- Using asynchronous I/O
- Tuning checkpoints
- Tuning redo logs
Introduction
In the previous chapter, we have seen some methods to tune the memory used by Oracle processes to obtain best performance from our hardware.
The database is made up of datafiles on disks; typically, I/O time from disk is slower by one order of magnitude than I/O from memory. So, tuning the disk I/O subsystem can gain significant performance improvements for the database.
In this chapter, we will see the different types of files used by the Oracle database and the available ...
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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.