#cloudwatch | Amazon CloudWatch (1)

Monitor all parts of your AWS infrastructure with the help of CloudWatch by making use of metrics, alarms, and logs.

How to monitor container workloads running on ECS and Fargate?

How do you monitor a container workload running on ECS (Elastic Container Service) and Fargate with on-board resources? Here are the prioritized aspects when it comes to monitoring containers on AWS. Event-driven monitoring with EventBridge Monitoring ...

The Lambda monitoring blind spot

After a customer complained that a feature of marbot, our monitoring solution for AWS was not working as expected, I started debugging the issue. First, I checked the CloudWatch alarms we use to monitor all Lambda functions. All CloudWatch alarms were i...

Detecting connectivity anomalies with CloudWatch Internet Monitor

Imagine customer support informs you that some customers can no longer access your web application. Immediately you check the monitoring, but no abnormalities are visible on the dashboard. No alarm has been triggered. So, what’s the problem? The number ...

AWS Monitoring with EventBridge

When it comes to AWS monitoring, you probably think of Amazon CloudWatch first. That’s right, but there is another source of information about the health of your cloud infrastructure: Amazon EventBdrige. In this blog post, you’ll learn how to tap into E...

Hot off the Cloud: October 2022

What happened at AWS in October 2022? This is our summary and analysis of the announcements that interested us. In November, re:Invent, AWS’ major conference, will take place in Las Vegas. During re:Invent, AWS will announce many new features and servic...

EC2 Checklist: 7 things to do after launching an instance

Launching an EC2 instance takes minutes. Keeping your virtual machines secure and maintaining your VMs is more work. In this blog post, I share seven things to do after launching a Linux, Windows, or macOS instance: Configure remote access with SSM Ses...

Choosing the best way to scale EC2 instances on demand

Migrating workloads into the cloud — and specifically to AWS — comes with many advantages. You can operate workloads in new ways. When you only pay for what you use and add capacity within minutes, the world of auto-scaling opens up. When your workload ...

End-user monitoring of your website with CloudWatch Synthetics

There are countless reasons why your website is not working as your users expect. From a technical point of view, you can monitor your load balancers, your web servers, and your database. But what if that external script that you embed is breaking your ...

CloudWatch Metrics & Alarms reloaded

Amazon CloudWatch improved significantly over the years. It’s time to look at its monitoring capabilities again. CloudWatch is an excellent starting point to implement enhanced monitoring on AWS. In this blog post, I demonstrate what you can do with Clo...

Seamless EC2 monitoring with the Unified CloudWatch Agent

Shipping logs and metrics from an EC2 instance to CloudWatch was painful in the past. By default, you only get metrics about CPU utilization, disk and network IO. The missing pieces are metrics about memory and disk usage and logs. Plenty of different o...

Combine CloudWatch metrics for Auto Scaling or to reduce costs

Every part of your AWS infrastructure emits utilization metrics. Amazon CloudWatch collects these metrics and allows you to visualize them as well as to define alarms. AWS announced an exciting new feature allowing you to combine multiple metrics recent...

How to create a customized CloudWatch Dashboard with CloudFormation

Which metrics are essential to evaluate the state of your cloud infrastructure? Probably a lot. A dashboard allows you to keep an eye on all these metrics. For example, I like to monitor the following metrics for a typical 3-tier web application with th...

Analyze CloudWatch Logs like a pro

This post was originally published on the marbot blog. Centralizing the logs from all your systems is critical in a cloud infrastructure. Typical solutions to store and analyze log messages are: Elastic Stack (Elasticsearch + Kibana), Loggly, Splunk, ...

Monitoring EC2 Network Utilization

This post was originally published on the marbot blog. Are you monitoring the network utilization of your EC2 instances? Why not? The network is one of the rare resources that will limit your workload’s maximum throughput: CPU Memory Network Disk GPU...

Dead man's switch with CloudWatch

While writing this article, I’m traveling from Frankfurt to Stuttgart by high-speed train (ICE) with a top speed of 280 km/h. It is reassuring to know that a dead man’s switch stops the train immediately if the train driver becomes incapacitated, such a...

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...