Publishing application metrics to CloudWatch using Micrometer
12/21/19
Observability is an important quality attribute. The Micrometer CloudWatch Registry exports meter values as CloudWatch metrics. Read more
Posts by Frank Rosner
Concurrency and automatic conflict resolution
12/20/19
Concurrency typically comes with conflicts. How can we deal with conflicting concurrent writes? How can OT and CRDTs help? Read more
Handwritten digit recognition using convolutional neural networks
12/13/19
Convolutional neural networks are a powerful type of models for image classification. Handwritten digit recognition is the "hello world" of image classification. Read more
Hit me baby one more time – What are cache hits and why should you care?
12/06/19
Computer architecture, e.g. the CPU cache utilization, can influence the runtime of your implementation in orders of magnitude. Read more
Microbenchmarking your Scala code
11/29/19
Microbenchmarks are a useful tool to compare the relative performance of different implementations. ScalaMeter is a microbenchmarking and regression testing framework for Scala. Read more
Consumer-driven contract testing with Pact
Consumer-driven contract testing is an alternative to end-to-end tests. In this blog post we want to take a look at the basics of consumer-driven contract testing with Pact. Read more
Understanding the AWS Lambda SQS integration
08/12/19
How does the Lambda SQS integration work exactly? How do the different configuration parameters impact the behaviour of your integration? Read more
Let’s also apply run with Kotlin scope functions
07/09/19
In Kotlin, scope functions allow you to execute a function, i.e. a block of code, in the context of an object. Read more
Resilience design patterns: retry, fallback, timeout, circuit breaker
06/25/19
Resilient software should tolerate faults, but also failures. Retry, fallback, timeout, and circuit breaker are popular resilience design patterns. Read more