November 2020
Beginner to intermediate
250 pages
7h 41m
English
Content preview from 97 Things Every SRE Should Know
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Chapter 24. Auditing Your Environment for Improvements
Joan O’Callaghan
Adopting a SRE (site reliability engineering) mindset doesn’t only start after your first official SRE project. What can you do with no SRE staff when you want to make your company more reliable? The first step is to review what you already have. You need to know your environment better. Audit it and record the risks. Start with your worst-case scenario. Security breaches, data loss, and downtime are bad for everyone, but what would destroy your business? Know your kryptonite and focus on that first.
Next, move on to capacity. If you don’t know your limits, you can’t keep safe or plan your growth. Determine whether you have any capacity issues. How much headroom do you have, if any? What is the lead time to get more of anything? Dig into whether you have peak traffic or usage patterns.
Another important area is security. At a fast-moving organization, unfortunately, this can be overlooked until it becomes a problem. Who has access to what, and when people leave, are they properly off-boarded? Do you have a password manager, and have you turned on audit logs for your cloud accounts? How many people can destroy your company?
With infrastructure needs, you want to think about backups. Start by making a fast infrastructure diagram—just whiteboard it and take a photo. Is there one of anything? Is it all reproducible? ...
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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.