resilience

Protect AWS SDK calls with Bulkheads and Circuit Breakers

Protect AWS SDK calls with Bulkheads and Circuit Breakers

If you use one of the AWS SDKs to make queries to the AWS API you need to prepare for network unreliability. One of the AWS service that requires heavy SDK usage is DynamoDB (NoSQL database as a Service). I will use DynamoDB as an example in this post b...

High availability is a no-brainer: EC2 auto-recovery

High availability is a no-brainer: EC2 auto-recovery

Werner Vogels (CTO of AWS) is quoted with “Everything fails all the time.”. This does not mean AWS is an unreliable cloud provider. Quite the contrary: AWS plans for failure. All services are highly available or fault tolerant. Some of them by default, ...

WordPress on AWS: you are holding it wrong

WordPress on AWS: you are holding it wrong

WordPress is a very popular blogging software. You can run the PHP application together with a MySQL database on an EC2 instance (virtual machine) easily. But if you are following the official tutorial to setup your blogging environment on AWS you are m...

Prevent outages with redundant EC2 instances

Prevent outages with redundant EC2 instances

Unfortunately, EC2 instances aren’t fault-tolerant. Under your virtual server is a host system. These are a few reasons your virtual server might suffer from a crash caused by the host system: If the host hardware fails, it can no longer host the virtu...

Building blocks for highly available systems

Building blocks for highly available systems

Thanks to the cloud, highly available systems are becoming the new standard. Creating an architecture offering high availability or even fault tolerance is affordable nowadays as you can use ready-to-use building blocks. On top of that, you can operate ...


marbot

Are you part of a highly motivated DevOps team? Use marbot, a friendly chatbot, to forward all kind of alerts from your AWS infrastructure to Slack. Alerts are escalated across your team automatically allowing you to focus on your daily work.

Amazon Web Services in Action

Amazon Web Services in Action introduces you to computing, storing, and networking in the AWS cloud.

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