In Key Value data stores, data is represented as a collection of key–value pairs. The key–value model is one of the simplest non-trivial data models, and richer data models are implemented on top of it. InfoQ spoke with Casey Rosenthal from Basho team about the data modeling concepts and best practices when using these NoSQL databases for data management.
SQL-on-Hadoop technologies include a SQL layer or a SQL database over Hadoop. These solutions are becoming popular recently as they solve the data management issues of Hadoop and provide a scale-out alternative for traditional RDBMSs. InfoQ spoke with Rich Reimer, VP of Marketing and Product Management at Splice Machine about the architecture and data patterns for SQL in Hadoop databases.
Apache Kafka is a distributed publish-subscribe messaging system. This article covers the architecture model, features and characteristics of Kafka framework and how it compares with traditional messaging systems.
The n+1 one problem doesn’t just affect ORMs, any kind of Web API can suffer from the same performance problems. Ali Kheyrollahi discusses some of the ways to identify and correct n+1 scenarios.
This article describes the increasingly popular Microservice architecture pattern, used to architect large, complex and long-lived applications as a set of cohesive services that evolve over time. 6
The Agile Consortium Belgium, Sirris and Agoria organized an event to share experiences with agile methodologies like Scrum, Kanban, visual management, XP, DSDM and Lean.
Val Huber explains creating a RESTful API from an existing database schema, extending the API to define multi-table hierarchical resources, and adding behavior using declarative reactive expressions. 2
Reactive Cloud Actors are an implementation of Carl Hewitt's Actor model which can be used to leverage the power of modern distributed systems.
Currently, Antifragility and Microservices are trending topics and this might be a hint that there are new architectural paradigms or design patterns on their way for building application systems.
Michał Bartyzel challenges the need to master a *Driven* approach to be Software Professional. These might be: DDD, TDD, BDD, MDD or other frameworks which can be responsible for cognitive biases. 7
Bikas Saha and Arun Murthy discuss Tez’s design, highlight some of its features and share some of the initial results obtained by making Hive use Tez instead of MapReduce.
In this article, authors talk about the impact of pattern languages on software design community over past 20 years. 1