September 2008
Intermediate to advanced
152 pages
4h 16m
English
Content preview from The Art of Capacity PlanningBecome 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,
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.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.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.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.
Chapter 4. Predicting Trends
I’M ASSUMING YOU’VE MADE A FEW PASSES THROUGH Chapter 3 AND HAVE JUST DEPLOYED A SUPER-AWESOME, totally amazing, monitoring, trending, graphing, and measurement system. You’re graphing everything you can get your hands on, as often as you can. You probably didn’t gain anything from graphing the peak barking periods of your neighbor’s dog—but hey, you did it, and I’m proud of you.
Now you’ll be able to use this data (excluding the barking statistics) like a crystal ball, and predict the future like Nostradamus. But let’s stop here for a moment to remember an irritating little detail: it’s impossible to accurately predict the future.
Forecasting capacity needs is part intuition, and part math. It’s also the art of slicing and dicing up your historical data, and making educated guesses about the future. Outside of those rare bursts and spikes of load on your system, the long-term view is hopefully one of steadily increasing usage. By putting all of this historical data into perspective, you can generate estimates for what you’ll need to sustain the growth of your website. As we’ll see later, the key to making accurate predictions is having an adjustable forecasting process.
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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.
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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.