January 2005
Beginner to intermediate
928 pages
22h 14m
English
book
Understanding DB2®: Learning Visually with Examples
by Raul F. Chong, Clara Liu, Sylvia F. Qi, Dwaine R. Snow
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16.1. Performance Fundamentals
When you start designing, building, and tuning your database system, you need to try to balance the three main areas that affect your performance:
CPU usage
I/O utilization
Memory usage
At least one of these three areas is affected by any change that you make, either in designing the system or tuning the system using the registry variables or DB2 configuration parameters. For example, increasing the size of one or more of your buffer pools will increase the memory consumption on the server, but it may then decrease the I/O that is required. By understanding how the various registry variables and configuration parameters impact the CPU usage, I/O, and memory usage, you will be better prepared to judge whether the changes ...
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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.