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Discovering Machine Learning with Iris flower data set

Today I want you to show how you can use the Amazon Machine Learning service to train (supervised learning) a model that can categorize data (multiclass classification). Introduction to Machine LearningGiven you have a spreadsheet with data, one column ...

Rolling Update with AWS CloudFormation

Updating all EC2 instances in an Auto Scaling Group becomes complex and expensive when done manually. If you follow the immutable infrastructure approach you will roll out a new version by creating new EC2 instances. You never change the old instances. ...

Static Website Templates for AWS CloudFormation

This page has moved to GitHub: https://github.com/widdix/aws-cf-templates/tree/master/static-website

VPC Templates for AWS CloudFormation

This page has moved to GitHub: https://github.com/widdix/aws-cf-templates/tree/master/vpc

AWS year in review

If you want to provide an excellent AWS consulting service you need to stay up-to-date with all the new AWS stuff (450 announcements in 2015). As an AWS Cloud Consultant it’s part of my job to read all AWS announcements and evaluate the new features as ...

5 AWS mistakes you should avoid

Since this year I’m working as an AWS Cloud Consultant where I see a lot of small to medium sized AWS deployments. Most of them are typical web applications. I want to share with you the 5 most common mistakes that you better avoid: managing infrastruc...

Show your SaaS architecture: Time Series Guru

Today I want to show you the architecture of my latest AWS project: Software-as-a-Service time series database with REST API. TimeSeries.Guru is a TSDB build to handle large volumes of time series data. The Saas is powered by the high-performance databa...

Serverless image resizing at any scale

This post demonstrates how you can create a bunch of resized images right after uploading an image to S3. The solution requires no servers, is scalable and can be automatically deployed within minutes. The solution makes use of two S3 buckets: The b...

A look at DynamoDB

Scaling a traditional, relational database is very hard because transactional guarantees (Atomicity, Consistency, Isolation, Durability also known as ACID) require communication between all nodes of the database. The more nodes you add, the slower your ...

3 simple ways of saving up to 90% of EC2 costs

An EC2 instance is billed at an hourly rate depending on the instance type and the region by default. This pricing model is called on-demand. It is the simplest but also most expensive way of using EC2 instances. There are two other purchasing options f...