August 2000
Intermediate to advanced
288 pages
7h 50m
English
Content preview from Oracle Parallel ProcessingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 6. Oracle Parallel Server Architecture
Before you can install and configure Oracle Parallel Server (OPS) successfully, you need to understand its various architectural components. If you are new to OPS, this chapter is definitely for you. If you are familiar with OPS concepts, this chapter will serve as a review of the OPS features and components before you move on to the details in subsequent chapters. This chapter introduces Oracle Parallel Server and discusses the OPS features related to instance and database architecture. It also describes how datafiles, the Integrated Distributed Lock Manager (IDLM), and rollback segments work with OPS.
Remember that parallel execution and Oracle Parallel Server are two separate feature sets available from Oracle. They are independent of each other but can work together. Most OPS environments also run parallel execution. Parallel server adds some additional features to parallel execution. Chapter 13, explains how you can exploit parallel execution features in an Oracle Parallel Server environment.
Tip
For simplicity, most of the diagrams in this chapter use a two-instance OPS environment to illustrate the concepts being described. However, remember that the discussions here are applicable to OPS with any number of instances.
OPS and Oracle Instances
One of the key differences between an OPS database and a standalone Oracle database is that with OPS, you have multiple instances opening the database at the same time. This is a crucial point ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.