Friends of OpenJDK Today

Table of Contents Understanding ReadyNow generationsTIPWhen using the ReadyNow Orchestrator feature of Optimizer Hub, the creation of a promoted profile is handled automatically. This will be explained in the next blog post in this series.Possible approachesTIPTo reach an optimal profile, …

Table of Contents Why use a multi-cloud strategy?Setting up a multi-cloud deployment in MongoDB AtlasSummary In the technological world, the cloud has become more prevalent. It brings many benefits, including flexibility, scalability, faster innovation, and collaboration. Plus, when it comes …

Learn how to do Kafka Stream with Spring Boot! 🍃 With a city tour visits system…

Table of Contents OptionalStatisticsLinkedHashMapWeakHashMapBitSet A few weeks ago, I had the honor to present at the Arnhem JUG in the Netherlands about “Java, What’s old?” In this series, I’m focusing on what’s old in the JDK, not that known, and …

Table of Contents FactsChaptersPros and consSummary Disclaimer: This post includes affiliate links; I may receive compensation if you purchase the book from the different links provided in this post. This review is about Writing for Developers by Piotr Sarna and …

Table of Contents Understanding LLM guardrailsHow guardrails workEasily implementing guardrails with QuarkusInput guardrailsOutput guardrailsSanitizing LLM input and output Integrating Large Language Models (LLMs) into our applications is becoming increasingly popular. These models are extremely useful for creating content, searching documentation, …

Table of Contents 1. MongoDB’s Query ProfilerWhat we’ll needWhat is MongoDB’s Profiler?MongoDB Atlas Query Profiler in the Atlas UIA few important considerationsMongoDB Database ProfilerLet’s make something slow on purpose2. Understanding execution plans with explain()What we’ll needWhat is explain()?Verbosity modesLet’s use …

Table of Contents Code quality + Code security for Open Source & AI code Code quality + Code security for Open Source & AI code In the age of AI, ensuring code quality and code security is more critical than …

Table of Contents VideoPodcast (audio only)Content In the second part of our JCON interviews, recorded at the conference in May, we focuses on general evolutions within the Java world and how they influence how we write code and develop applications. …

Table of Contents How ReadyNow achieves faster compilationsNormal startupWhat’s in the fileStartup with fileComparing the different runsTier 1 compile countsTier 2 Compile CountsCompiler queue runConclusion This is the second article in a series on faster Java application warmup. The first …

Table of Contents Lost updatesDirty readsNon-repeatable readsPhantom readsHow to avoid these issuesIsolationRead concernWrite concern In a multi-threaded, distributed environment like MongoDB, when clients execute queries concurrently, operations interleave with one another if they are not isolated, whether those operations involve …

Table of Contents How GlassFish helps with improving database performanceConnection pool configurationJDBC batchingJakarta Persistence (JPA) batchingNext Steps Database operations are a very critical part of most applications in regards of performance. There are multiple reasons why database operations can significantly …