October 2014
Intermediate to advanced
712 pages
21h 28m
English
Content preview from Expert Oracle RAC Performance Diagnostics and TuningBecome 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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Introduction
Working for several years across several industries on various RAC projects, there have been several occasions to troubleshoot performance issues in a production environment. Applications and databases that where moved from a single-instance Oracle environment to a two or more node RAC environment to hide a performance problem. An example that comes to mind, which I have encountered in the field on several occasions, is when the database was moved to a RAC environment because the single instance was running at 100% CPU and it was hoped that by moving to a RAC configuration, the 100% CPU overload would be distributed between the various instances in the cluster. This really does not happen this way; RAC cannot do magic to fix poorly ...
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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.