Top Links from Issue #103

This issue was published on August 18, 2020

Why buy the cow if you get the Machine Learning for free? 🐮

In this issue we learn why you don't need to buy a cow to do machine learning, how serverless can speed up your regression tests and we get a full season of Sessions with SAM to binge watch. Read the full issue...

Most Popular Links

Below are the most popular links from Issue #103 as chosen by our Off-by-none email subscribers. Sign up for the newsletter and help choose the most popular links each week!


What alerts should you have for serverless applications? by Yan Cui
A key metric for measuring how well you handle system outages is the Mean Time To Recovery or MTTR. It’s basically the time it takes you to restore the system to working conditions.


When should I use Amazon RDS vs. Aurora Serverless? by Ernesto Marquez
The main difference between Amazon RDS and Aurora Serverless is that the more traditional RDS gives developers the option to choose database instance type and size. You can also select a database engine, including Amazon Aurora, PostgreSQL, MySQL, MariaDB, Oracle and Microsoft SQL Server.


From Legacy Application to Serverless with EventBridge by Marin Radjenovic
Most startup applications are built with the intention to use the modern technologies at the time that saves the time and the money and make your application better than your competitors. However, once modern applications will at some point become legacy burden.


Where does Fargate fit into your serverless toolkit? (reader question) by Paul Swail
How does Fargate fit into all this? It sounds like its “serverless containers” is that right? I thought containers were for full on applications that would require persistence, how would that work?


No time for tests? — 12 recommendations on unit-testing AWS Lambdas in Python by Jan Groth
Much like software applications, infrastructure provisioning has moved away from monolithic solutions, shifting focus towards decoupled components and utilisation of public service APIs.

Honorable Mentions

There are so many great blog posts, tutorials, use cases, and more shared each week by the #serverless community, that picking just a few to feature is really hard. So here are some other honorable mentions chosen by our readers.

The power of serverless: Visual regression tests from 20 minutes to 10 seconds by Fernando Devegili
Visual regression tests are awesome, but unfortunately, they usually take a considerable amount of time. Until now. In my company, we were taking around 300 images of components from our UI kit in storybook. The process usually took around 6 minutes using 5 chrome instances.

The Future of Ops Jobs by Charity Majors
Infrastructure, ops, devops, systems engineering, sysadmin, infraops, SRE, platform engineering. As long as I’ve been doing computers, these terms have been effectively synonymous. If I wanted to tell someone what my job was, I could throw out any one of them and expect to be understood.

Mono- or Multi-Repository: A Dilemma in the Serverless World by aws
Mono-repo or multi-repo is a decision every organization must make at a certain point if it has a growing number of services.

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About the Author

Jeremy is the GM of Serverless Cloud at Serverless, Inc. and an AWS Serverless Hero that has a soft spot for helping people solve problems using serverless. He frequently consults with companies and developers transitioning away from the traditional “server-full” approach. You can find him ranting about serverless on Twitter, in several forums and Slack groups, hosting the Serverless Chats podcast, and at (virtual) conferences around the world.


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Off-by-none is committed to celebrating the diversity of the serverless community and recognizing the people who make it awesome. If you know of someone doing amazing things with serverless, please nominate them to be a Serverless Star ⭐️!