April 2020
Intermediate to advanced
292 pages
6h 50m
English
Content preview from Practical MicroservicesBecome 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,
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Addressing Idempotence
Here’s the deal. SMTP[56] is a wonderful protocol when it comes to getting emails from one machine to another. Most of the time it just works. But when it doesn’t, well, we really won’t be able to tell.
If we have our own SMTP server, we could guarantee that we sent the message, but it could fail to arrive because of the many hops it would have to go through across the internet. If we use a third-party email provider, we can send a request to that provider. That request could fail after the provider has already sent the email. So if we tried again, it might get sent twice. So what do we do?
This is why you work with your business team.
Which failure case is worse? Not sending an email, or sending it more than once? Is ...
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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.