October 2015
Intermediate to advanced
210 pages
4h 23m
English
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Configuring Keystone caching with Memcached
Large OpenStack environments usually require Keystone to handle a huge amount of authorization and authentication requests as Keystone is invoked on almost every OpenStack operation. To improve the scale Keystone can handle in heavy load environments we can configure the Keystone caching mechanism. The caching mechanism can store Tokens, User Identities, and Roles instead of retrieving them from a remote store. Keystone supports caching all configurable subsystems using a caching backend mechanism.
Getting ready
In this recipe, we configure Keystone to use Memcached caching service as a backend plugin for caching Keystone. We will need to install and configure the Memcached service first.
- Install the
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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.