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Java

Debezium and Quarkus: Change Data Capture Patterns to Avoid Dual-Writes Problems

It’s common in microservices to write data in two places, a database and then send the content to another microservice. One approach to tackle this problem is dual writes, but you may lose data because of concurrent writes. Debezium is an open-source project for change data capture using the log scanner approach to avoid dual writes and communicate persisted data correctly between services.

Alex Soto
on Aug 15, 2022
DevOps

Why DevOps Governance is Crucial to Enable Developer Velocity

The application environment should be managed centrally by the DevOps team. This allows them to better track modifications and changes which would then be swift and transparent to developer teams.

Amir Rozenberg
on Jul 27, 2022
Culture & Methods

Open-Source Testing: Why Bug Bounty Programs Should Be Embraced, Not Feared

The growing importance of the Web3 ecosystem based on blockchains shows how important community test programs are. Some within the testing community see this trend as a threat. However, it is actually an opportunity. Bug bounties and open-source test contributions are a great tool for test teams, and there is every reason for testers to embrace this new trend rather than to fear it.

Rhian Lewis
on Jul 19, 2022
Java

Gatling vs JMeter - What to Use for Performance Testing

A performance tool with a graphical interface will probably be easier to use at the beginning, but the idea of a performance test as code is the future. Tests are readable and much easier to maintain. Many people are skeptical about Gatling because it requires learning a new programming language - Scala. However, Java is supported with the release of Gatling 3.7.

Andrzej Ludwikowski
on Jul 18, 2022
Java

Kafka Streams and Quarkus: Real-Time Processing Events

Consuming Kafka messages is simple; you get them as long as they are produced, but nothing more. But if you need real-time processing of the data (filtering, joining, or manipulating events), just using the Kafka-consuming API might not be the best approach as the resulting code becomes complex. Kafka Streams and Quarkus are the perfect matches to start processing Kafka events in real-time.

Alex Soto
on Jul 05, 2022
Cloud

The Compounding (Business) Value of Composable Ecosystems

Being “free” and open source doesn’t hinder the value of these projects to businesses and end users; rather it unlocks it. The composability of open source ecosystems allows the innovation and value of the whole ecosystem to compound on itself.

Bill Mulligan
on Jun 30, 2022
Java

Data Oriented Programming in Java

Project Amber has brought a number of new features to Java in recent years. While each of these features are self-contained, they are also designed to work together. Specifically, records, sealed classes, and pattern matching work together to enable easier data-oriented programming in Java.

Brian Goetz
on Jun 20, 2022
Java

Reduce Carbon Dioxide Emissions with Serverless and Kubernetes Native Java

Moving application workloads to multi- and hybrid cloud platforms causes more carbon dioxide emissions, although better scalability and performance. Serverless and Kubernetes Native Java enable developers to solve the global climate changes by reducing carbon dioxide emissions by natively native features with milliseconds first boot time, tiny resident set size memory and scalability.

Daniel Oh
on Jun 15, 2022
Java

Introduction to Apache Beam Using Java

Apache Beam is a stream processor, helping developers migrate work between different processes to offload work onto runners that leverage external resources.

Fabio Hiroki
on Jun 06, 2022
Java

Standardizing Native Java: Aligning GraalVM and OpenJDK

Native Java is essential for Java to remain relevant in the evolving cloud world. But it is not a solved problem yet. And the development lifecycle needs to adapt as well. Standardization through Project Leyden is key to the success of native Java. Native Java needs to be brought into OpenJDK to enable co-evolution with other ongoing enhancements.

Andrew Dinn Dan Heidinga
on May 30, 2022
Java

Go Native with Spring Boot and GraalVM

Spring Boot 3 & Spring Framework 6, due in late 2022, will have built-in support for native Java. For Spring Framework 5.x & Spring Boot 2.x, Spring Native is the way to go. Spring Native provides integrations for Spring's vast ecosystem of libraries. It also has a component model that allows you to extend native compilation support for other libraries.

Josh Long
on May 19, 2022
Java

Article Series: Native Compilation Boosts Java

Java dominates enterprise applications. But in the cloud, Java is more expensive than some competitors. Native compilation makes Java in the cloud cheaper. It raises many questions for all Java users: How does native Java change development? When should we switch to native Java? When should we not? And what framework should we use for native Java? This series provides answers to these questions.

Karsten Silz
on May 06, 2022