Just Enough Architectural Documentation
Content Intro Quality vs. Quantity Just Enough Context Diagram Software Diagram Deployment Diagram Architectural Decision Record Is there something else to consider? Why not use an architectural model? Further References…
Application / Dynamic Class Data Sharing In HotSpot JVM
Content Intro The purpose of this article is to discuss in detail one feature that HotSpot JVM offers since JDK 1.5 to reduce the startup time but also the memory…
Do we really need an ORM?
Motivation Nowadays, using an ORM (Object-Relational Mapping) is a low-hanging fruit because there are plenty of such implementations available for modern programming languages and a variety of databases. But is…
HotSpot JVM Performance Tuning Guidelines
HotSpot JVM Performance Tuning Guidelines Content Intro Memory Heap Off-Heap Metaspace CodeCache Direct Buffers ClassLoader Dynamic Class-Data Sharing Just-In-Time Compiler Tiered Mode: C1+C2 Graal JIT Threads Garbage Collectors Serial Garbage…
The inner workings of technical conferences
Introduction In this blog post, David Leitner and I want to give you an insight, based on our experience from the past years of speaking at international conferences (e.g. more…
JVM Garbage Collectors Benchmarks Report 19.12
Context The current article describes a series of Java Virtual Machine (JVM) Garbage Collectors (GC) micro-benchmarks and their results, using a different set of patterns. For the current issue, I…