Thread-local state availability in reactive services
All non-trivial abstractions, to some degree, are leaky
Posts by Tag (grid view)
reactive
Checking reactive repositories for backpressure support
Simple test to check whether the repository supports backpressure
Serving large datasets with Spring WebFlux
Using old solutions dressed in new API
Resources utilization in reactive services
Blocking is wasteful
Java
Refactoring stringly-typed systems
Picking low-hanging fruits on the way to improve domain model
Controlling parallelism level of Java parallel streams
Busting the most common misconception about Java parallel streams
Idiomatic Optionals
Using java.util.Optional in an idiomatic way
CI/CD
Reliable artifact versioning schemes
Don’t derive artifact versions from build numbers
Jenkins job DSL
Configuring Jenkins jobs via code using Groovy-based DSL
Docker
Optimizing Docker images for image size and build time
Image layers explained in context of image size and build time
productivity
Pretty printing JSON documents for further processing
Formatting JSON documents from command line and inside a text editor
PostgreSQL
Fine-tuning psql
Fine-tuning PostgreSQL CLI client
JVM
Interpreting jstat’s number of Full GC events
How results of your measurements can drift from reality when you don’t validate your assumptions
debugging
Custom type renderers in IntelliJ IDEA debugger
Altering the way IntelliJ IDEA debugger displays values