April 2017
Intermediate to advanced
470 pages
11h 12m
English
Content preview from Mastering OpenStack - Second Edition
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HA in the database
There's no doubt that behind any cluster lies a story! Creating your database in the HA mode in an OpenStack environment is not negotiable. We have set up MySQL in cloud controller nodes that can also be installed on separate ones. Most importantly, keep it safe not only from water, but also from fire. Many clustering techniques have been proposed to make MySQL highly available. Some of the MySQL architectures can be listed as follows:
- Master/slave replication: As exemplified in the following figure, a VIP that can be optionally moved has been used. A drawback of such a setup is the probability of data inconsistency due to delay in the VIP failing over (data loss):
- MMM replication: By setting two servers, both of them ...
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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.
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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.