Tag cloudwatch

Burst credits of t2 EC2 instances need monitoring

EC2 is one of the fundamental services on AWS. If you are not 100% Serverless, your application health depends on the health of your EC2 instances. When I do AWS architecture reviews for our clients, I check that CPU burst capacity is monitored for EC2 ...

Monitoring a critical part of your infrastructure: Amazon Elasticsearch domain

I used Elasticsearch in various projects: to add rich search functionality to applications as well as to collect and analyze logs with the help of Kibana. In both cases, either your users or your operators rely on the Elasticsearch infrastructure. In on...

Monitoring a critical part of your infrastructure: Amazon Relational Database Service (RDS)

Amazon RDS provides PostgreSQL, MySQL, MariaDB, Oracle, and Microsoft SQL Server as a Service. The fully managed service covers a lot of the challenges of operating a database (e.g., master-standby replication, snapshots, patching the operating system a...

Monitoring a critical part of your infrastructure: Amazon ElastiCache memcached cluster

In most of my projects where end-user latency is important, I usually add a caching layer to the architecture. The goal of a caching layer is to reduce load from the database and the speed up the most popular data retrievals. In one project, I was asked...

AWS Monitoring Primer

Monitoring is critical for a secure, high-performing, resilient, and efficient cloud infrastructure. This blog post summarizes all the bits and pieces you need to think of when monitoring your AWS account. OverviewThe following mind map provides an ove...

Send CloudWatch Alarms to Slack with AWS Lambda

As we all know, things go wrong. That’s why monitoring and alerting are essential topics. Wouldn’t it be nice, if problems in your AWS account would show up in Slack? So you can react quickly while using your favorite messaging tool. In this blog post, ...

A simple way to manage log messages from containers: CloudWatch Logs

Gone are the days when administrators logged into their machines to access log files. Containers and virtual machines are launched and terminated dynamically to scale based on demand, to deploy new versions, or to recover from failure nowadays. Collecti...

CloudWatch is neglected: Why is the control room empty?

CloudWatch is the most undervalued service on AWS. It’s like an empty control room. All data is there, but no one is looking at it. Together with IAM and VPC, CloudWatch provides the basis for modern infrastructure. CloudWatch combines an extensive set...

The Life of a Serverless Microservice on AWS

In this post, I will demonstrate how you can develop, test, deploy and operate a production-ready Serverless Microservice using the AWS ecosystem. The combination of AWS Lambda and Amazon API Gateway allows us to operate a REST endpoint without the need...

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...