June 2015
Intermediate to advanced
326 pages
7h 18m
English
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Availability
The availability of an application or system can be viewed as the total amount of time that it provides its services against the total time it is expected to do so. System availability is affected by multiple factors ranging from failure of the system due to hardware/software failures and the known downtime for maintenance and upgrades.
High availability is achieved in applications by having failover mechanisms using which the system can get back to its service provisioning state after a failure. A more optimized system would consider backup mechanisms, which it can immediately switch on to in a failure scenario, thus improving the availability. Scheduled maintenance can be done using a rolling upgrade to ensure high availability. ...
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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.