InfoQ Homepage Architecture & Design Content on InfoQ
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CQRS Framework Axon 2.1 with Increased Event Handler Support and Performance Improvements
Version 2.1 of CQRS framework Axon supports annotations and ordering of event handlers, a new conflict resolution together with performance improvements. The recently released version also adds compatibility with OSGi.
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Appurify and Xamarin Launch Continuous Integration for Mobile Apps on Variety of Devices
Two recently launched services, Appurify Mobile Platform and Xamarin Test Cloud, promise to help developers and enterprises automate testing and performance optimization of their mobile apps by allowing them to run apps on real iOS and Android devices and supporting automated testing and continuous integration.
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QCon London in 2 weeks – Seven Key Reasons to Attend
Going into its 8th year, QCon London is UK’s premier event designed exclusively for senior enterprise software development professionals: technical team leads, architects, software engineers, and project managers. If you've thought of attending, there is still a chance to go to one of the best conferences for our craft. QCon is now less than 2 weeks away! Why register? Seven Key Reasons to Attend.
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Hazelcast Introduces MapReduce API
Hazelcast, an open source in-memory data grid solution introduces a MapReduce API for its offering.
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Java 8 News: Release Candidates Available, New Atomic Numbers and Stripped Implementations Dropped
The first release candidates of Java 8 started showing up in early February. The first, b128, on February 4, and a second announced on the OpenJDK mailing list a week later.
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Elasticsearch 1.0.0 released
Elasticsearch released version 1.0.0 of its self-titled, open-source analytics tool. Elasticsearch is a distributed search engine which allows for real-time data analysis in big-data environments. The new version comes with various functional enhancements and changes to the API to make Elasticsearch more intuitive and powerful to use.
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Oracle Releases 144 Security Fixes, 36 for Java SE
Oracle released their latest Critical Patch Update (CPU), containing 144 new security fixes across all product families, including 36 for Java SE.
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Google's BigQuery Gaining Momentum
BigQuery, a SaaS query offering by Google, seems to gain more and more momentum. It allows to query large-scale columnar data structures using a SQL-like query language, in the cloud and provides integration with other Google services such as Google Analytics and Google Apps Script.
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Google Cloud SQL now Generally Available
Google have announced general availability of their Cloud SQL service. At launch the service comes with automatic encryption of customer data, a 99.95% uptime SLA and support for databases up to 500GB in size.
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Design Patterns for Cloud-Hosted Applications
The patterns & practices group at Microsoft have released a guide with solutions and patterns suitable when implementing cloud-hosted applications. The guide contains ten guidance topics together with 24 design patterns targeting eight categories of problems covering common areas in cloud application development. Also included are ten sample applications to demonstrate the usage these patterns.
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Running Spark on R with SparkR
UC Berkeley’s AMPLab announced a developer preview of their new project SparkR to use Apache Spark natively from R.
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Parse Announces Bolts, a Collection of Low-level Libraries for iOS and Android
Parse, acquired by Facebook a few months ago, has recently open-sourced a collection of low-level libraries for Android and iOS collectively called Bolts. According to Parse announcement, Bolts is the outcome of the joint Parse/Facebook effort to consolidate small, low-level utility classes that both companies had already developed on their own.
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Google's Java Coding Standards
Google has recently released their complete definition of coding standards for Java source code. These are hard-and-fast rules that are clearly enforceable, and are followed universally within Google. It covers not only formatting, but other types of conventions and coding standards.
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Getting the Avengers with Marvel Comics API
Recently, Marvel has made available a public API and a RESTful service which provides access to their comics metadata.
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Interactive SQL in Apache Hadoop with Impala and Hive
In the race for interactive SQL in Big Data environments, there are two open source based front-runners, Impala and Hive with the Stinger project. Cloudera recently announced that Impala is up to 69 times faster than Hive 0.12 and can outperform DBMS. Other than raw speed, we take a look at other considerations in choosing a SQL engine for Hadoop and also Tez, an application framework for YARN.