April 2016
Intermediate to advanced
512 pages
17h 1m
English
book
Oracle Database Problem Solving and Troubleshooting Handbook
by Tariq Farooq, Mike Ault, Paulo Portugal, Mohamed Houri, Syed Jaffar Hussain, Jim Czuprynski, Guy Harrison
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16. Dealing with Latch and Mutex Contention
Contention is the proverbial bottleneck: when multiple database sessions compete for limited or serialized resources, the amount of work that can be done by the database is constrained. Some forms of contention are the result of programming practices: in particular, contention for locks is usually a consequence of application design. By comparison, latches and mutexes are internal Oracle mechanisms and contention for latches can be harder to diagnose and resolve.
In this chapter, we see how latches and mutexes work and why they are a necessary part of the Oracle architecture. We then discuss how to diagnose the root causes of latch and mutex contention and explore remedies to common contention scenarios. ...
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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.