October 2015
Intermediate to advanced
210 pages
4h 23m
English
Content preview from Production Ready OpenStack - Recipes for Successful EnvironmentsBecome 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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Configuring Glance image caching
The glance-api service can be configured to cache images to local machine's disk. Once configured, the local cache automatically stores copies of images that are successfully retrieved and served. In this configuration, glance-api can run on multiple hosts without retrieving the same image from remote storage multiple times, leading the OpenStack environment to handle better scalability. Using Glance image caching is transparent to the user and doesn't change any of Glance's operations. The user does not know of the images are served from the backend storage or from glance-api caching mechanism.
Getting Ready
Before enabling and configuring Glance image caching, make sure that glance is configured and can successfully ...
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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.