InfoQ Homepage Development Content on InfoQ
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Observability in Testing with ElasTest
In a distributed application it is difficult to use debugging techniques common in developing non-distributed applications. Bringing production observability to your testing environment helps to find bugs, argued Francisco Gortázar at the European Testing Conference 2019. He presented ElasTest, a tool for developers to test and validate complex distributed systems using observability.
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SAP Open Sources Java SCA Tool
SAP open sources a tool to detect known vulnerabilities in Java/Python applications through software composition analysis.
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Android Q Beta 1 Brings New Privacy Features, Foldable Support, Vulkan Extensions
The next Android version, dubbed Android Q, is now available for developers in beta, bringing new privacy features, system-wide behaviour changes, and new APIs to support foldable devices, Vulkan extensions, and more.
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A Description of RSocket and Its Communication Model: Robert Roeser at QCon London
RSocket is an asynchronous network communication protocol where communication is modelled as multiplexed streams of messages over a single network connection. In a presentation at QCon London 2019, Robert Roeser explained the reasons for creating RSocket and the communication model it uses. In the same presentation, Ondrej Lehecka described two use cases, and Andy Shi ran a demo using RSocket.
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Rollup 1.0 Brings Code-Splitting to Library Bundling
Rollup recently released its first major iteration. Rollup 1.0 enables developers to code-split their library bundle. Libraries can thus expose several import targets with optimized bundles.
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Helidon V1 Brings API Stability and MicroProfile 1.2 Support
Oracle has released version 1.0 of Project Helidon, an open-source collection of Java libraries to build microservices, with greater API stability than beta versions and support for the MicroProfile 1.2 spec. Helidon comes in two programming models: Helidon SE and Helidon MP.
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Designing and Building a Resilient Serverless System: John Chapin at QCon London
In a presentation at QCon London 2019, John Chapin explained the basics of serverless technologies and how to architect and build a resilient serverless system. He also ran a demo of a how a globally distributed, highly available application can be built and run in multiple regions on AWS.
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DigitalOcean Announces Partner App Marketplace
DigitalOcean has announced Marketplace, a platform where third-party providers can deliver their software stacks as One-Click Apps. Initially, Marketplace offers a variety of partner offerings, including databases, visualization, and monitoring tools and developer frameworks.
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A Critical Look at Event-Driven Systems: Bernd Rücker at QCon London
There is currently a hype in adoption of event-driven systems. Sometimes they are almost seen as the “magic thing” in our strive for decoupled systems, Bernd Rücker noted at the recent QCon London 2019. In his presentation he took a critical look at three common hypotheses around event-driven systems: events decrease coupling, Orchestration needs to be avoided, and Workflow engines are painful.
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Vue.js 2.6 "Macross" Released with Improved Slots Syntax
Vue 2.6 (code-named *Macross*) contains new features, improvements and bug fixes. Slots get a streamlined syntax, and directives accept dynamic JavaScript expressions as arguments. Developers can now design reusable components with a greater flexibility to customize and compose their children components.
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Microsoft Announces New Capabilities in Azure Firewall: Threat Intelligence and Service Tags Filters
Recently Microsoft announced two new capabilities for Azure Firewall, a cloud-native firewall-as-a-service offering, enabling customers to govern all their traffic flows using a DevOps approach centrally. The firewall service supports both application (such as *.github.com), and network level filtering rules.
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NPM Adopted Rust to Remove Performance Bottlenecks
Npm exponential growth drove the npm engineering team to switch from Node.js to Rust to handle CPU-bound tasks that were going to become a performance bottleneck. A recent white paper overviews the experience of developing the new service in Rust and running it in production for more than one year.
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Recommendations When Starting with Microservices: Ben Sigelman at QCon London
During the years Ben Sigelman worked at Google, they were creating what we today call a microservices architecture. Some mistakes were made during this adoption, which he believes are being repeated today by the rest of the industry. In his presentation at QCon London 2019, Sigelman described his recommendations to avoid making these mistakes when starting with microservices.
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FlexSearch.js: A Fast, Zero-Dependency Full-Text Search Library
FlexSearch, a full-text, zero-dependency search library for the browser and Node.js claims to be the fastest search library available to JavaScript developers due to its novel scoring algorithm.
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Building Services at Scale at Airbnb: QCon London Q&A
The re-architecture to SOA at Airbnb improved the performance of the services and site reliability. Faster build and deploy times led to increased developer productivity, and improving clarity and boundaries for ownership increased efficiency. Jessica Tai, a software engineer at Airbnb, presented Airbnb’s Great Migration: Building Services at Scale at QCon London 2019.