October 2019
Intermediate to advanced
520 pages
13h 5m
English
Content preview from Professional Cloud Architect – Google Cloud Certification Guide
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Failover Replica
To achieve high availability, we need to create a cluster that is made up of a primary instance and a Failover Replica in a secondary zone. When we make changes to the primary instance's data, it is copied onto the failover instance. This, of course, reduces any downtime caused by instance failure. We can see from the following diagram that replication between the primary and replica is semi-synchronous:
Our Failover Replica is configured in the same way as the primary instance, which means that all users, passwords, authorized applications, networking, and databases are the same.
A failover will occur when an instance becomes ...
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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.