July 2004
Intermediate to advanced
384 pages
9h 32m
English
book
Oracle Wait Interface: A Practical Guide to Performance Diagnostics & Tuning
by Richmond Shee, Kirtikumar Deshpande, K Gopalakrishnan
Content preview from Oracle Wait Interface: A Practical Guide to Performance Diagnostics & 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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In a Nutshell
A database performance problem may easily be diagnosed if the DBA knows what each session is doing or has done in the database. In practice, however, a DBA normally administers many databases, and it is impossible to baby-sit each one. Therefore, a question such as, “Why did the job run so slowly?” is challenging to even the most competent DBA. The Oracle Wait Interface is great at finding the root causes of performance problems, provided the DBA is aware of the bottlenecks. Tuning exercises without the guidance of bottlenecks (or symptoms) is almost always unprofitable and a waste of time.
This chapter offers a couple of methods for capturing performance data—that is, using the database logoff trigger and PL/SQL procedure. In addition, ...
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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.