The cost of AWS Lambda errors

Many of our customers are successfully using AWS lambda. AWS Lambda lets you run code without provisioning or managing servers. You pay only for the compute time you consume. It’s a pretty cool feature, and it’s pricing looks like it very … Continue Reading

Monitoring AWS step function - cover

How to monitor AWS step functions

Last December Amazon announced on a new service: Step Functions.  AWS Step Functions is a serverless architecture that makes it easy to coordinate the components of distributed applications and microservices in a state-machine fashion. There is a considerable excitement around … Continue Reading

How to define good application level metrics

Many monitoring solution support user-defined custom metrics. In this post I would like to share a few simple rules on how to define good custom or application level metrics. In the recent two decades I participated in creating and using … Continue Reading

How does the AWS S3 outage look like (from the inside)?

Anyone who is a user of AWS S3 in us-east-1 region, felt a little bit on fire yesterday afternoon during the AWS S3 outage. If you happen to be a service provider, it probably felt worse. The reason is that your service … Continue Reading

Almost Key Performance Indicator

If you are a heavy user of monitoring metrics like me, you have noticed that some metrics look very useful at first but when you try to use them, you find that they are difficult to use. I use my … Continue Reading

The rise of DevOps and the fall of “root-cause”

ITculate is a small startup company, and we are building a great product for DevOps teams. As a part of our process we are talking to customers and we recently ran into an interesting question: how relevant is the pre-cloud concept … Continue Reading