January 2019
Intermediate to advanced
690 pages
16h
English
book
Implementing AWS: Design, Build, and Manage your Infrastructure
by Yohan Wadia, Rowan Udell, Lucas Chan, Udita Gupta
Content preview from Implementing AWS: Design, Build, and Manage your Infrastructure
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Exceptions and error handling
Functions have the ability to notify AWS Lambda in case it failed to execute correctly. This is primarily done by the function passing the error object to Lambda which converts the same to a string and returns it to the user as an error message.
The error messages that are returned also depend on the invocation type of the function; for example, if your function performs a synchronous execution (the RequestResponse invocation type), then the error is returned back to the user and displayed on the AWS Management Console as well as in the CloudWatch Logs. For any asynchronous executions (the event invocation type), Lambda will not return anything. Instead it logs the error messages to CloudWatch Logs.
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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.